79941312 has 252 divisors, whose sum is σ = 267012928. Its totient is φ = 22809600.

The previous prime is 79941311. The next prime is 79941317. The reversal of 79941312 is 21314997.

It is a super-2 number, since 2×79941312² = 12781226728562688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

Its product of digits (13608) is a multiple of the sum of its prime divisors (84).

It is not an unprimeable number, because it can be changed into a prime (79941311) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2160558 + ... + 2160594.

Almost surely, 2^79941312 is an apocalyptic number.

79941312 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 79941312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133506464).

79941312 is an abundant number, since it is smaller than the sum of its proper divisors (187071616).

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

79941312 is a wasteful number, since it uses less digits than its factorization.

79941312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 84 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 79941312 is about 8940.9905491506. The cubic root of 79941312 is about 430.7815460111.

The spelling of 79941312 in words is "seventy-nine million, nine hundred forty-one thousand, three hundred twelve".