70,000 (seventy thousand) is the natural number that comes after 69,999 and before 70,001. It is a round number.
Selected numbers in the range 70001–79999
70001 to 70999
71000 to 71999
71656 = pentagonal pyramidal number
72000 to 72999
73000 to 73999
73296 = is the smallest number n, for which n−3, n−2, n−1, n+1, n+2, n+3 are all Sphenic number. 73440 = 15 × 16 × 17 × 18 73712 = number of n-Queens Problem solutions for n = 13 73728 = 3-smooth number
74000 to 74999
74088 = 423 = 23 * 33 * 73
74353 = Friedman prime
74897 = Friedman prime
75000 to 75999
75025 = Fibonacci number, Markov number
75361 = Carmichael number
76000 to 76999
76084 = amicable number with 63020
76424 = tetranacci number
77000 to 77999
77777 = repdigit
77778 = Kaprekar number
78000 to 78999
78125 = 57
78163 = Friedman prime
78498 = the number of primes under 1,000,000
78557 = conjectured to be the smallest Sierpiński number
78732 = 3-smooth number
79000 to 79999
79507 = 433
Primes
There are 902 prime numbers between 70000 and 80000.