79115472 has 120 divisors (see below), whose sum is σ = 235223040. Its totient is φ = 24779520.

The previous prime is 79115471. The next prime is 79115497. The reversal of 79115472 is 27451197.

It is a happy number.

79115472 is a `hidden beast` number, since 79 + 115 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79115471) 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 23 ways as a sum of consecutive naturals, for example, 164929 + ... + 165407.

It is an arithmetic number, because the mean of its divisors is an integer number (1960192).

Almost surely, 2^79115472 is an apocalyptic number.

79115472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79115472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117611520).

79115472 is an abundant number, since it is smaller than the sum of its proper divisors (156107568).

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

79115472 is a wasteful number, since it uses less digits than its factorization.

79115472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 552 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 79115472 is about 8894.6878528704. The cubic root of 79115472 is about 429.2930008106.

The spelling of 79115472 in words is "seventy-nine million, one hundred fifteen thousand, four hundred seventy-two".