72730048 has 28 divisors (see below), whose sum is σ = 150601680. Its totient is φ = 34783232.

The previous prime is 72730033. The next prime is 72730069. The reversal of 72730048 is 84003727.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23233 + ... + 26176.

Almost surely, 2^72730048 is an apocalyptic number.

It is an amenable number.

72730048 is an abundant number, since it is smaller than the sum of its proper divisors (77871632).

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

72730048 is a wasteful number, since it uses less digits than its factorization.

72730048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49444 (or 49434 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 72730048 is about 8528.1913674589. The cubic root of 72730048 is about 417.4181139080.

The spelling of 72730048 in words is "seventy-two million, seven hundred thirty thousand, forty-eight".