70,000

Selected numbers in the range 70,001–79,999

70,001 to 70,999

71,000 to 70,999

• 71,656 – pentagonal pyramidal number

  72,000 to 72,999

73,000 to 73,999

• 73,296 – is the smallest number n, for which n−3, n−2, n−1, n+1, n+2, n+3 are all Sphenic number.
• 73,440 – 15 × 16 × 17 × 18
• 73,712 – number of n-Queens Problem solutions for n = 13
• 73,728 – 3-smooth number
• 73,774 - used in marketing Pepsi, the number dialed if the letters of "Pepsi" are entered on a telephone keypad

  74,000 to 74,999

• 74,088 – 42³
• 74,205 – registry number of the USS Defiant on '
• 74,656 – registry number of the USS Voyager on '

  75,000 to 75,999

• 75,025 – Fibonacci number, Markov number
• 75,361 – Carmichael number

  76,000 to 76,999

• 76,084 – amicable number with 63020
• 76,176 – sum of the cubes of the first 23 positive integers
• 76,424 – tetranacci number

  77,000 to 77,999

• 77,777 – repdigit
• 77,778 – Kaprekar number

  78,000 to 78,999

• 78,125 – 5⁷
• 78,557 – conjectured to be the smallest Sierpiński number
• 78,732 – 3-smooth number

  79,000 to 79,999

• 79,507 – 43³