79999632 has 60 divisors (see below), whose sum is σ = 231620220. Its totient is φ = 25745664.

The previous prime is 79999627. The next prime is 79999657. The reversal of 79999632 is 23699997.

It can be written as a sum of positive squares in 2 ways, for example, as 17842176 + 62157456 = 4224^2 + 7884^2 .

It is a super-2 number, since 2×79999632² = 12799882240270848, which contains 22 as substring.

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, 5403 + ... + 13754.

It is an arithmetic number, because the mean of its divisors is an integer number (3860337).

Almost surely, 2^79999632 is an apocalyptic number.

79999632 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

79999632 is an abundant number, since it is smaller than the sum of its proper divisors (151620588).

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

79999632 is a wasteful number, since it uses less digits than its factorization.

79999632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19200 (or 19191 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 54.

The square root of 79999632 is about 8944.2513381501. The cubic root of 79999632 is about 430.8862773121.

The spelling of 79999632 in words is "seventy-nine million, nine hundred ninety-nine thousand, six hundred thirty-two".