72056080 has 20 divisors (see below), whose sum is σ = 167530572. Its totient is φ = 28822400.

The previous prime is 72056063. The next prime is 72056093. The reversal of 72056080 is 8065027.

It can be written as a sum of positive squares in 2 ways, for example, as 57032704 + 15023376 = 7552^2 + 3876^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 450271 + ... + 450430.

Almost surely, 2^72056080 is an apocalyptic number.

It is an amenable number.

72056080 is an abundant number, since it is smaller than the sum of its proper divisors (95474492).

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

72056080 is a wasteful number, since it uses less digits than its factorization.

72056080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900714 (or 900708 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 72056080 is about 8488.5852767113. The cubic root of 72056080 is about 416.1247468584.

The spelling of 72056080 in words is "seventy-two million, fifty-six thousand, eighty".