79033913 has 6 divisors (see below), whose sum is σ = 91937466. Its totient is φ = 67743312.

The previous prime is 79033907. The next prime is 79033943. The reversal of 79033913 is 31933097.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44129449 + 34904464 = 6643^2 + 5908^2 .

It is not a de Polignac number, because 79033913 - 2²⁴ = 62256697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79033943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 806420 + ... + 806517.

It is an arithmetic number, because the mean of its divisors is an integer number (15322911).

Almost surely, 2^79033913 is an apocalyptic number.

It is an amenable number.

79033913 is a deficient number, since it is larger than the sum of its proper divisors (12903553).

79033913 is a wasteful number, since it uses less digits than its factorization.

79033913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612951 (or 1612944 counting only the distinct ones).

The product of its (nonzero) digits is 15309, while the sum is 35.

The square root of 79033913 is about 8890.1019679192. The cubic root of 79033913 is about 429.1454327677.

Subtracting from 79033913 its sum of digits (35), we obtain a triangular number (79033878 = T₁₂₅₇₂).

The spelling of 79033913 in words is "seventy-nine million, thirty-three thousand, nine hundred thirteen".