79804572 has 48 divisors (see below), whose sum is σ = 195417600. Its totient is φ = 25299648.

The previous prime is 79804553. The next prime is 79804577. The reversal of 79804572 is 27540897.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79804577) 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, 54198 + ... + 55650.

It is an arithmetic number, because the mean of its divisors is an integer number (4071200).

Almost surely, 2^79804572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79804572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97708800).

79804572 is an abundant number, since it is smaller than the sum of its proper divisors (115613028).

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

79804572 is a wasteful number, since it uses less digits than its factorization.

79804572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1680 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 79804572 is about 8933.3404726340. The cubic root of 79804572 is about 430.5357878631.

The spelling of 79804572 in words is "seventy-nine million, eight hundred four thousand, five hundred seventy-two".