79713057 has 8 divisors (see below), whose sum is σ = 106788640. Its totient is φ = 52889760.

The previous prime is 79713047. The next prime is 79713077. The reversal of 79713057 is 75031797.

It is a happy number.

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

It is not a de Polignac number, because 79713057 - 2⁶ = 79712993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79713047) 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, 62332 + ... + 63597.

It is an arithmetic number, because the mean of its divisors is an integer number (13348580).

Almost surely, 2^79713057 is an apocalyptic number.

It is an amenable number.

79713057 is a deficient number, since it is larger than the sum of its proper divisors (27075583).

79713057 is a wasteful number, since it uses less digits than its factorization.

79713057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126143.

The product of its (nonzero) digits is 46305, while the sum is 39.

The square root of 79713057 is about 8928.2168992470. The cubic root of 79713057 is about 430.3711542173.

The spelling of 79713057 in words is "seventy-nine million, seven hundred thirteen thousand, fifty-seven".