79126920 has 48 divisors (see below), whose sum is σ = 257163660. Its totient is φ = 21100416.

The previous prime is 79126919. The next prime is 79126951. The reversal of 79126920 is 2962197.

It can be written as a sum of positive squares in 2 ways, for example, as 63776196 + 15350724 = 7986^2 + 3918^2 .

It is a super-2 number, since 2×79126920² = 12522138937372800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109539 + ... + 110258.

Almost surely, 2^79126920 is an apocalyptic number.

It is an amenable number.

79126920 is an abundant number, since it is smaller than the sum of its proper divisors (178036740).

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

79126920 is a wasteful number, since it uses less digits than its factorization.

79126920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219814 (or 219807 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 79126920 is about 8895.3313597640. The cubic root of 79126920 is about 429.3137060285.

The spelling of 79126920 in words is "seventy-nine million, one hundred twenty-six thousand, nine hundred twenty".