79147152 has 120 divisors (see below), whose sum is σ = 264343200. Its totient is φ = 22607424.

The previous prime is 79147147. The next prime is 79147169. The reversal of 79147152 is 25174197.

It is a happy number.

It is a super-2 number, since 2×79147152² = 12528543339422208, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19299 + ... + 23037.

It is an arithmetic number, because the mean of its divisors is an integer number (2202860).

Almost surely, 2^79147152 is an apocalyptic number.

79147152 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 79147152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132171600).

79147152 is an abundant number, since it is smaller than the sum of its proper divisors (185196048).

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

79147152 is a wasteful number, since it uses less digits than its factorization.

79147152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770 (or 3751 counting only the distinct ones).

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

The square root of 79147152 is about 8896.4685128426. The cubic root of 79147152 is about 429.3502933859.

The spelling of 79147152 in words is "seventy-nine million, one hundred forty-seven thousand, one hundred fifty-two".