79372269 has 24 divisors (see below), whose sum is σ = 124363512. Its totient is φ = 48583680.

The previous prime is 79372259. The next prime is 79372273. The reversal of 79372269 is 96227397.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 837225 + 78535044 = 915^2 + 8862^2 .

It is not a de Polignac number, because 79372269 - 2¹⁹ = 78847981 is a prime.

It is a super-2 number, since 2×79372269² = 12599914172416722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79372229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54 + ... + 12599.

It is an arithmetic number, because the mean of its divisors is an integer number (5181813).

Almost surely, 2^79372269 is an apocalyptic number.

It is an amenable number.

79372269 is a deficient number, since it is larger than the sum of its proper divisors (44991243).

79372269 is a wasteful number, since it uses less digits than its factorization.

79372269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12717 (or 12714 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 79372269 is about 8909.1115718684. Note that the first 3 decimals coincide. The cubic root of 79372269 is about 429.7569728215.

The spelling of 79372269 in words is "seventy-nine million, three hundred seventy-two thousand, two hundred sixty-nine".