79312641 has 8 divisors (see below), whose sum is σ = 108000384. Its totient is φ = 51750000.

The previous prime is 79312637. The next prime is 79312661. The reversal of 79312641 is 14621397.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79312641 - 2² = 79312637 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (79312621) 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, 281110 + ... + 281391.

It is an arithmetic number, because the mean of its divisors is an integer number (13500048).

Almost surely, 2^79312641 is an apocalyptic number.

79312641 is the 5633-rd centered pentagonal number.

It is an amenable number.

79312641 is a deficient number, since it is larger than the sum of its proper divisors (28687743).

79312641 is a wasteful number, since it uses less digits than its factorization.

79312641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562551.

The product of its digits is 9072, while the sum is 33.

The square root of 79312641 is about 8905.7644815030. The cubic root of 79312641 is about 429.6493283054.

The spelling of 79312641 in words is "seventy-nine million, three hundred twelve thousand, six hundred forty-one".