79772672 has 88 divisors (see below), whose sum is σ = 188651520. Its totient is φ = 32993280.

The previous prime is 79772669. The next prime is 79772683. The reversal of 79772672 is 27627797.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222029 + ... + 222387.

Almost surely, 2^79772672 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 79772672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94325760).

79772672 is an abundant number, since it is smaller than the sum of its proper divisors (108878848).

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

79772672 is a wasteful number, since it uses less digits than its factorization.

79772672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 399 counting only the distinct ones).

The product of its digits is 518616, while the sum is 47.

The square root of 79772672 is about 8931.5548478414. The cubic root of 79772672 is about 430.4784147007.

The spelling of 79772672 in words is "seventy-nine million, seven hundred seventy-two thousand, six hundred seventy-two".