72085480 has 16 divisors (see below), whose sum is σ = 162192420. Its totient is φ = 28834176.

The previous prime is 72085463. The next prime is 72085493. The reversal of 72085480 is 8458027.

It can be written as a sum of positive squares in 2 ways, for example, as 67667076 + 4418404 = 8226^2 + 2102^2 .

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, 901029 + ... + 901108.

Almost surely, 2^72085480 is an apocalyptic number.

It is an amenable number.

72085480 is an abundant number, since it is smaller than the sum of its proper divisors (90106940).

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

72085480 is a wasteful number, since it uses less digits than its factorization.

72085480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802148 (or 1802144 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 72085480 is about 8490.3168374331. The cubic root of 72085480 is about 416.1813342832.

The spelling of 72085480 in words is "seventy-two million, eighty-five thousand, four hundred eighty".