79542272 has 24 divisors (see below), whose sum is σ = 159049800. Its totient is φ = 39770112.

The previous prime is 79542233. The next prime is 79542299. The reversal of 79542272 is 27224597.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17372 + ... + 21467.

It is an arithmetic number, because the mean of its divisors is an integer number (6627075).

Almost surely, 2^79542272 is an apocalyptic number.

It is an amenable number.

79542272 is a deficient number, since it is larger than the sum of its proper divisors (79507528).

79542272 is an equidigital number, since it uses as much as digits as its factorization.

79542272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38861 (or 38841 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 79542272 is about 8918.6474310851. The cubic root of 79542272 is about 430.0635781239.

The spelling of 79542272 in words is "seventy-nine million, five hundred forty-two thousand, two hundred seventy-two".