79312136 has 32 divisors (see below), whose sum is σ = 154260480. Its totient is φ = 38188800.

The previous prime is 79312133. The next prime is 79312151. The reversal of 79312136 is 63121397.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (79312133) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 59105 + ... + 60431.

It is an arithmetic number, because the mean of its divisors is an integer number (4820640).

Almost surely, 2^79312136 is an apocalyptic number.

It is an amenable number.

79312136 is a deficient number, since it is larger than the sum of its proper divisors (74948344).

79312136 is a wasteful number, since it uses less digits than its factorization.

79312136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605 (or 1601 counting only the distinct ones).

The product of its digits is 6804, while the sum is 32.

The square root of 79312136 is about 8905.7361290350. The cubic root of 79312136 is about 429.6484164147.

The spelling of 79312136 in words is "seventy-nine million, three hundred twelve thousand, one hundred thirty-six".