79212928 has 64 divisors (see below), whose sum is σ = 170197200. Its totient is φ = 36585472.

The previous prime is 79212883. The next prime is 79212929. The reversal of 79212928 is 82921297.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79212929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128076 + ... + 128692.

Almost surely, 2^79212928 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 79212928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85098600).

79212928 is an abundant number, since it is smaller than the sum of its proper divisors (90984272).

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

79212928 is a wasteful number, since it uses less digits than its factorization.

79212928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 695 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 79212928 is about 8900.1644928619. The cubic root of 79212928 is about 429.4691990129.

The spelling of 79212928 in words is "seventy-nine million, two hundred twelve thousand, nine hundred twenty-eight".