79992320 has 40 divisors (see below), whose sum is σ = 191800224. Its totient is φ = 31995904.

The previous prime is 79992173. The next prime is 79992323. The reversal of 79992320 is 2329997.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79992323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13064 + ... + 18183.

Almost surely, 2^79992320 is an apocalyptic number.

It is an amenable number.

79992320 is an abundant number, since it is smaller than the sum of its proper divisors (111807904).

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

79992320 is an equidigital number, since it uses as much as digits as its factorization.

79992320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31270 (or 31254 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 79992320 is about 8943.8425746432. The cubic root of 79992320 is about 430.8731491831.

The spelling of 79992320 in words is "seventy-nine million, nine hundred ninety-two thousand, three hundred twenty".