79751872 has 28 divisors (see below), whose sum is σ = 162539680. Its totient is φ = 38797056.

The previous prime is 79751869. The next prime is 79751887. The reversal of 79751872 is 27815797.

It is a super-2 number, since 2×79751872² = 12720722175008768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14472 + ... + 19207.

Almost surely, 2^79751872 is an apocalyptic number.

It is an amenable number.

79751872 is an abundant number, since it is smaller than the sum of its proper divisors (82787808).

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

79751872 is a wasteful number, since it uses less digits than its factorization.

79751872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33728 (or 33718 counting only the distinct ones).

The product of its digits is 246960, while the sum is 46.

The square root of 79751872 is about 8930.3903610089. The cubic root of 79751872 is about 430.4409970023.

The spelling of 79751872 in words is "seventy-nine million, seven hundred fifty-one thousand, eight hundred seventy-two".