72730595 has 16 divisors (see below), whose sum is σ = 99913728. Its totient is φ = 49788000.

The previous prime is 72730591. The next prime is 72730601. The reversal of 72730595 is 59503727.

It is not a de Polignac number, because 72730595 - 2² = 72730591 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72730591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24902 + ... + 27668.

It is an arithmetic number, because the mean of its divisors is an integer number (6244608).

Almost surely, 2^72730595 is an apocalyptic number.

72730595 is a deficient number, since it is larger than the sum of its proper divisors (27183133).

72730595 is a wasteful number, since it uses less digits than its factorization.

72730595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 72730595 is about 8528.2234375044. The cubic root of 72730595 is about 417.4191603674.

The spelling of 72730595 in words is "seventy-two million, seven hundred thirty thousand, five hundred ninety-five".