74929839696 has 80 divisors (see below), whose sum is σ = 215122441600. Its totient is φ = 24971265792.

The previous prime is 74929839671. The next prime is 74929839703. The reversal of 74929839696 is 69693892947.

It is a super-2 number, since 2×74929839696² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2351100 + ... + 2382756.

It is an arithmetic number, because the mean of its divisors is an integer number (2689030520).

Almost surely, 2^74929839696 is an apocalyptic number.

It is an amenable number.

74929839696 is an abundant number, since it is smaller than the sum of its proper divisors (140192601904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74929839696 is a wasteful number, since it uses less digits than its factorization.

74929839696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37153 (or 37141 counting only the distinct ones).

The product of its digits is 317447424, while the sum is 72.

The spelling of 74929839696 in words is "seventy-four billion, nine hundred twenty-nine million, eight hundred thirty-nine thousand, six hundred ninety-six".