79378572 has 96 divisors (see below), whose sum is σ = 229906432. Its totient is φ = 20756736.

The previous prime is 79378571. The next prime is 79378601. The reversal of 79378572 is 27587397.

It is not an unprimeable number, because it can be changed into a prime (79378571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171213 + ... + 171675.

Almost surely, 2^79378572 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 79378572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114953216).

79378572 is an abundant number, since it is smaller than the sum of its proper divisors (150527860).

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

79378572 is a wasteful number, since it uses less digits than its factorization.

79378572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 645 counting only the distinct ones).

The product of its digits is 740880, while the sum is 48.

The square root of 79378572 is about 8909.4653038215. The cubic root of 79378572 is about 429.7683482743.

The spelling of 79378572 in words is "seventy-nine million, three hundred seventy-eight thousand, five hundred seventy-two".