79210240 has 72 divisors (see below), whose sum is σ = 199780560. Its totient is φ = 30007296.

The previous prime is 79210217. The next prime is 79210289. The reversal of 79210240 is 4201297.

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, 22692 + ... + 25948.

It is an arithmetic number, because the mean of its divisors is an integer number (2774730).

Almost surely, 2^79210240 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 79210240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99890280).

79210240 is an abundant number, since it is smaller than the sum of its proper divisors (120570320).

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

79210240 is a wasteful number, since it uses less digits than its factorization.

79210240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297 (or 3283 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 79210240 is about 8900.0134831359. The cubic root of 79210240 is about 429.4643411095.

The spelling of 79210240 in words is "seventy-nine million, two hundred ten thousand, two hundred forty".