79075613 has 2 divisors, whose sum is σ = 79075614. Its totient is φ = 79075612.

The previous prime is 79075597. The next prime is 79075621. The reversal of 79075613 is 31657097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62125924 + 16949689 = 7882^2 + 4117^2 .

It is a cyclic number.

It is not a de Polignac number, because 79075613 - 2⁴ = 79075597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79075643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39537806 + 39537807.

It is an arithmetic number, because the mean of its divisors is an integer number (39537807).

Almost surely, 2^79075613 is an apocalyptic number.

It is an amenable number.

79075613 is a deficient number, since it is larger than the sum of its proper divisors (1).

79075613 is an equidigital number, since it uses as much as digits as its factorization.

79075613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 79075613 is about 8892.4469635753. The cubic root of 79075613 is about 429.2208949647.

The spelling of 79075613 in words is "seventy-nine million, seventy-five thousand, six hundred thirteen".