79472490 has 16 divisors (see below), whose sum is σ = 190734048. Its totient is φ = 21192656.

The previous prime is 79472479. The next prime is 79472507. The reversal of 79472490 is 9427497.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1324512 + ... + 1324571.

It is an arithmetic number, because the mean of its divisors is an integer number (11920878).

Almost surely, 2^79472490 is an apocalyptic number.

79472490 is an abundant number, since it is smaller than the sum of its proper divisors (111261558).

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

79472490 is a wasteful number, since it uses less digits than its factorization.

79472490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649093.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 79472490 is about 8914.7344323878. The cubic root of 79472490 is about 429.9377771873.

The spelling of 79472490 in words is "seventy-nine million, four hundred seventy-two thousand, four hundred ninety".