72715792 has 20 divisors (see below), whose sum is σ = 141218640. Its totient is φ = 36272288.

The previous prime is 72715781. The next prime is 72715813. The reversal of 72715792 is 29751727.

It is a happy number.

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, 1959 + ... + 12217.

It is an arithmetic number, because the mean of its divisors is an integer number (7060932).

Almost surely, 2^72715792 is an apocalyptic number.

It is an amenable number.

72715792 is a deficient number, since it is larger than the sum of its proper divisors (68502848).

72715792 is a wasteful number, since it uses less digits than its factorization.

72715792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10710 (or 10704 counting only the distinct ones).

The product of its digits is 61740, while the sum is 40.

The square root of 72715792 is about 8527.3555103561. The cubic root of 72715792 is about 417.3908390670.

The spelling of 72715792 in words is "seventy-two million, seven hundred fifteen thousand, seven hundred ninety-two".