79412491 has 16 divisors (see below), whose sum is σ = 88833024. Its totient is φ = 70601344.

The previous prime is 79412477. The next prime is 79412503. The reversal of 79412491 is 19421497.

It is a cyclic number.

It is not a de Polignac number, because 79412491 - 2²¹ = 77315339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79412491.

It is not an unprimeable number, because it can be changed into a prime (79412401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31230 + ... + 33676.

It is an arithmetic number, because the mean of its divisors is an integer number (5552064).

Almost surely, 2^79412491 is an apocalyptic number.

79412491 is a deficient number, since it is larger than the sum of its proper divisors (9420533).

79412491 is a wasteful number, since it uses less digits than its factorization.

79412491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570.

The product of its digits is 18144, while the sum is 37.

The square root of 79412491 is about 8911.3686378693. The cubic root of 79412491 is about 429.8295538634.

The spelling of 79412491 in words is "seventy-nine million, four hundred twelve thousand, four hundred ninety-one".