79369992 has 96 divisors (see below), whose sum is σ = 243734400. Its totient is φ = 23131008.

The previous prime is 79369949. The next prime is 79369993. The reversal of 79369992 is 29996397.

It is not an unprimeable number, because it can be changed into a prime (79369993) 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, 15553 + ... + 20015.

It is an arithmetic number, because the mean of its divisors is an integer number (2538900).

Almost surely, 2^79369992 is an apocalyptic number.

79369992 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79369992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121867200).

79369992 is an abundant number, since it is smaller than the sum of its proper divisors (164364408).

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

79369992 is a wasteful number, since it uses less digits than its factorization.

79369992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507 (or 4500 counting only the distinct ones).

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

The square root of 79369992 is about 8908.9837804320. The cubic root of 79369992 is about 429.7528632167.

The spelling of 79369992 in words is "seventy-nine million, three hundred sixty-nine thousand, nine hundred ninety-two".