72086028 has 24 divisors (see below), whose sum is σ = 192229632. Its totient is φ = 20595984.

The previous prime is 72086009. The next prime is 72086059. The reversal of 72086028 is 82068027.

It is a self number, because there is not a number n which added to its sum of digits gives 72086028.

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, 429000 + ... + 429167.

It is an arithmetic number, because the mean of its divisors is an integer number (8009568).

Almost surely, 2^72086028 is an apocalyptic number.

It is an amenable number.

72086028 is an abundant number, since it is smaller than the sum of its proper divisors (120143604).

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

72086028 is a wasteful number, since it uses less digits than its factorization.

72086028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858181 (or 858179 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 72086028 is about 8490.3491094301. The cubic root of 72086028 is about 416.1823888959.

The spelling of 72086028 in words is "seventy-two million, eighty-six thousand, twenty-eight".