79968474 has 24 divisors (see below), whose sum is σ = 173452500. Its totient is φ = 26627328.

The previous prime is 79968463. The next prime is 79968487. The reversal of 79968474 is 47486997.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 74701449 + 5267025 = 8643^2 + 2295^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79968474.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20704 + ... + 24260.

Almost surely, 2^79968474 is an apocalyptic number.

79968474 is an abundant number, since it is smaller than the sum of its proper divisors (93484026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79968474 is a wasteful number, since it uses less digits than its factorization.

79968474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4814 (or 4811 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 79968474 is about 8942.5093793633. The cubic root of 79968474 is about 430.8303299798.

The spelling of 79968474 in words is "seventy-nine million, nine hundred sixty-eight thousand, four hundred seventy-four".