79512224 has 48 divisors (see below), whose sum is σ = 172368000. Its totient is φ = 35804160.

The previous prime is 79512217. The next prime is 79512239. The reversal of 79512224 is 42221597.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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, 38777 + ... + 40775.

It is an arithmetic number, because the mean of its divisors is an integer number (3591000).

Almost surely, 2^79512224 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 79512224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86184000).

79512224 is an abundant number, since it is smaller than the sum of its proper divisors (92855776).

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

79512224 is a wasteful number, since it uses less digits than its factorization.

79512224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 2125 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 79512224 is about 8916.9627115964. The cubic root of 79512224 is about 430.0094174970.

The spelling of 79512224 in words is "seventy-nine million, five hundred twelve thousand, two hundred twenty-four".