79021824 has 72 divisors (see below), whose sum is σ = 240374400. Its totient is φ = 22576128.

The previous prime is 79021823. The next prime is 79021847. The reversal of 79021824 is 42812097.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79021823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974 + ... + 12725.

Almost surely, 2^79021824 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 79021824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120187200).

79021824 is an abundant number, since it is smaller than the sum of its proper divisors (161352576).

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

79021824 is a wasteful number, since it uses less digits than its factorization.

79021824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14725 (or 14711 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 79021824 is about 8889.4220284561. The cubic root of 79021824 is about 429.1235510063.

The spelling of 79021824 in words is "seventy-nine million, twenty-one thousand, eight hundred twenty-four".