72708084 has 24 divisors (see below), whose sum is σ = 188502720. Its totient is φ = 24235992.

The previous prime is 72708067. The next prime is 72708089. The reversal of 72708084 is 48080727.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72708089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336504 + ... + 336719.

It is an arithmetic number, because the mean of its divisors is an integer number (7854280).

Almost surely, 2^72708084 is an apocalyptic number.

It is an amenable number.

72708084 is an abundant number, since it is smaller than the sum of its proper divisors (115794636).

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

72708084 is a wasteful number, since it uses less digits than its factorization.

72708084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673236 (or 673228 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 72708084 is about 8526.9035411455. The cubic root of 72708084 is about 417.3760904951.

The spelling of 72708084 in words is "seventy-two million, seven hundred eight thousand, eighty-four".