79905224 has 32 divisors (see below), whose sum is σ = 171526080. Its totient is φ = 34185024.

The previous prime is 79905211. The next prime is 79905229. The reversal of 79905224 is 42250997.

It is not an unprimeable number, because it can be changed into a prime (79905229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48299 + ... + 49925.

It is an arithmetic number, because the mean of its divisors is an integer number (5360190).

Almost surely, 2^79905224 is an apocalyptic number.

It is an amenable number.

79905224 is an abundant number, since it is smaller than the sum of its proper divisors (91620856).

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

79905224 is a wasteful number, since it uses less digits than its factorization.

79905224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517 (or 2513 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 79905224 is about 8938.9722004266. The cubic root of 79905224 is about 430.7167135152.

The spelling of 79905224 in words is "seventy-nine million, nine hundred five thousand, two hundred twenty-four".