79025220 has 60 divisors (see below), whose sum is σ = 247910124. Its totient is φ = 21072960.

The previous prime is 79025209. The next prime is 79025239. The reversal of 79025220 is 2252097.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12830724 + 66194496 = 3582^2 + 8136^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22771 + ... + 26010.

Almost surely, 2^79025220 is an apocalyptic number.

It is an amenable number.

79025220 is an abundant number, since it is smaller than the sum of its proper divisors (168884904).

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

79025220 is a wasteful number, since it uses less digits than its factorization.

79025220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48802 (or 48791 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 79025220 is about 8889.6130399472. The cubic root of 79025220 is about 429.1296981803.

The spelling of 79025220 in words is "seventy-nine million, twenty-five thousand, two hundred twenty".