79730113 has 2 divisors, whose sum is σ = 79730114. Its totient is φ = 79730112.

The previous prime is 79730083. The next prime is 79730159. The reversal of 79730113 is 31103797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63473089 + 16257024 = 7967^2 + 4032^2 .

It is a cyclic number.

It is not a de Polignac number, because 79730113 - 2⁵ = 79730081 is a prime.

It is not a weakly prime, because it can be changed into another prime (79730813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39865056 + 39865057.

It is an arithmetic number, because the mean of its divisors is an integer number (39865057).

Almost surely, 2^79730113 is an apocalyptic number.

It is an amenable number.

79730113 is a deficient number, since it is larger than the sum of its proper divisors (1).

79730113 is an equidigital number, since it uses as much as digits as its factorization.

79730113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 79730113 is about 8929.1720220858. The cubic root of 79730113 is about 430.4018471686.

The spelling of 79730113 in words is "seventy-nine million, seven hundred thirty thousand, one hundred thirteen".