79690293 has 12 divisors (see below), whose sum is σ = 115209900. Its totient is φ = 53079936.

The previous prime is 79690291. The next prime is 79690319. The reversal of 79690293 is 39209697.

It can be written as a sum of positive squares in 2 ways, for example, as 78110244 + 1580049 = 8838^2 + 1257^2 .

It is not a de Polignac number, because 79690293 - 2¹ = 79690291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79690291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9133 + ... + 15581.

It is an arithmetic number, because the mean of its divisors is an integer number (9600825).

Almost surely, 2^79690293 is an apocalyptic number.

It is an amenable number.

79690293 is a deficient number, since it is larger than the sum of its proper divisors (35519607).

79690293 is a wasteful number, since it uses less digits than its factorization.

79690293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7828 (or 7825 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 79690293 is about 8926.9419735988. The cubic root of 79690293 is about 430.3301826707.

The spelling of 79690293 in words is "seventy-nine million, six hundred ninety thousand, two hundred ninety-three".