79113672 has 120 divisors (see below), whose sum is σ = 243808950. Its totient is φ = 23950080.

The previous prime is 79113623. The next prime is 79113689. The reversal of 79113672 is 27631197.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 72488196 + 6625476 = 8514^2 + 2574^2 .

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 29 ways as a sum of consecutive naturals, for example, 77904 + ... + 78912.

Almost surely, 2^79113672 is an apocalyptic number.

79113672 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 79113672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121904475).

79113672 is an abundant number, since it is smaller than the sum of its proper divisors (164695278).

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

79113672 is a wasteful number, since it uses less digits than its factorization.

79113672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1025 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 79113672 is about 8894.5866683056. The cubic root of 79113672 is about 429.2897450915.

The spelling of 79113672 in words is "seventy-nine million, one hundred thirteen thousand, six hundred seventy-two".