79404490 has 16 divisors (see below), whose sum is σ = 155921760. Its totient is φ = 28874320.

The previous prime is 79404473. The next prime is 79404497. The reversal of 79404490 is 9440497.

It is not an unprimeable number, because it can be changed into a prime (79404497) 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, 360820 + ... + 361039.

It is an arithmetic number, because the mean of its divisors is an integer number (9745110).

Almost surely, 2^79404490 is an apocalyptic number.

79404490 is a deficient number, since it is larger than the sum of its proper divisors (76517270).

79404490 is a wasteful number, since it uses less digits than its factorization.

79404490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721877.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 79404490 is about 8910.9197056196. The cubic root of 79404490 is about 429.8151179238.

The spelling of 79404490 in words is "seventy-nine million, four hundred four thousand, four hundred ninety".