79404004 has 12 divisors (see below), whose sum is σ = 144998784. Its totient is φ = 37975784.

The previous prime is 79403999. The next prime is 79404007. The reversal of 79404004 is 40040497.

It is not an unprimeable number, because it can be changed into a prime (79404007) 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, 431452 + ... + 431635.

It is an arithmetic number, because the mean of its divisors is an integer number (12083232).

Almost surely, 2^79404004 is an apocalyptic number.

It is an amenable number.

79404004 is a deficient number, since it is larger than the sum of its proper divisors (65594780).

79404004 is a wasteful number, since it uses less digits than its factorization.

79404004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863114 (or 863112 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 79404004 is about 8910.8924356655. The cubic root of 79404004 is about 429.8142410188.

The spelling of 79404004 in words is "seventy-nine million, four hundred four thousand, four".