79140924 has 18 divisors (see below), whose sum is σ = 200050760. Its totient is φ = 26380296.

The previous prime is 79140917. The next prime is 79140937. The reversal of 79140924 is 42904197.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2198359 = 79140924 / (7 + 9 + 1 + 4 + 0 + 9 + 2 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1099144 + ... + 1099215.

Almost surely, 2^79140924 is an apocalyptic number.

It is an amenable number.

79140924 is an abundant number, since it is smaller than the sum of its proper divisors (120909836).

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

79140924 is a wasteful number, since it uses less digits than its factorization.

79140924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198369 (or 2198364 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 79140924 is about 8896.1184794269. The cubic root of 79140924 is about 429.3390313939.

The spelling of 79140924 in words is "seventy-nine million, one hundred forty thousand, nine hundred twenty-four".