79372538 has 32 divisors (see below), whose sum is σ = 144115200. Its totient is φ = 32027184.

The previous prime is 79372499. The next prime is 79372549. The reversal of 79372538 is 83527397.

It is a super-2 number, since 2×79372538² = 12599999577122888, which contains 22 as substring.

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, 46781 + ... + 48447.

It is an arithmetic number, because the mean of its divisors is an integer number (4503600).

Almost surely, 2^79372538 is an apocalyptic number.

79372538 is a deficient number, since it is larger than the sum of its proper divisors (64742662).

79372538 is a wasteful number, since it uses less digits than its factorization.

79372538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874.

The product of its digits is 317520, while the sum is 44.

The square root of 79372538 is about 8909.1266687594. The cubic root of 79372538 is about 429.7574583164.

The spelling of 79372538 in words is "seventy-nine million, three hundred seventy-two thousand, five hundred thirty-eight".