79237972 has 12 divisors (see below), whose sum is σ = 151272576. Its totient is φ = 36017240.

The previous prime is 79237957. The next prime is 79237981. The reversal of 79237972 is 27973297.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900388 + ... + 900475.

It is an arithmetic number, because the mean of its divisors is an integer number (12606048).

Almost surely, 2^79237972 is an apocalyptic number.

It is an amenable number.

79237972 is a deficient number, since it is larger than the sum of its proper divisors (72034604).

79237972 is a wasteful number, since it uses less digits than its factorization.

79237972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800878 (or 1800876 counting only the distinct ones).

The product of its digits is 333396, while the sum is 46.

The square root of 79237972 is about 8901.5713219633. The cubic root of 79237972 is about 429.5144546447.

The spelling of 79237972 in words is "seventy-nine million, two hundred thirty-seven thousand, nine hundred seventy-two".