79145472 has 160 divisors (see below), whose sum is σ = 255733632. Its totient is φ = 21233664.

The previous prime is 79145471. The next prime is 79145477. The reversal of 79145472 is 27454197.

It is a self number, because there is not a number n which added to its sum of digits gives 79145472.

It is not an unprimeable number, because it can be changed into a prime (79145471) 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 15 ways as a sum of consecutive naturals, for example, 182568 + ... + 183000.

Almost surely, 2^79145472 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 79145472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127866816).

79145472 is an abundant number, since it is smaller than the sum of its proper divisors (176588160).

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

79145472 is a wasteful number, since it uses less digits than its factorization.

79145472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 462 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 79145472 is about 8896.3740928538. The cubic root of 79145472 is about 429.3472555272.

The spelling of 79145472 in words is "seventy-nine million, one hundred forty-five thousand, four hundred seventy-two".