79736057 has 4 divisors (see below), whose sum is σ = 79889040. Its totient is φ = 79583076.

The previous prime is 79736039. The next prime is 79736071. The reversal of 79736057 is 75063797.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75063797 = 1301 ⋅57697.

It is a cyclic number.

It is not a de Polignac number, because 79736057 - 2¹⁸ = 79473913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79735999 and 79736017.

It is not an unprimeable number, because it can be changed into a prime (79706057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75707 + ... + 76752.

It is an arithmetic number, because the mean of its divisors is an integer number (19972260).

Almost surely, 2^79736057 is an apocalyptic number.

It is an amenable number.

79736057 is a deficient number, since it is larger than the sum of its proper divisors (152983).

79736057 is a wasteful number, since it uses less digits than its factorization.

79736057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152982.

The product of its (nonzero) digits is 277830, while the sum is 44.

The square root of 79736057 is about 8929.5048574935. The cubic root of 79736057 is about 430.4125426048.

The spelling of 79736057 in words is "seventy-nine million, seven hundred thirty-six thousand, fifty-seven".