72559792 has 20 divisors (see below), whose sum is σ = 141952720. Its totient is φ = 35926848.

The previous prime is 72559789. The next prime is 72559801. The reversal of 72559792 is 29795527.

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, 20367 + ... + 23662.

It is an arithmetic number, because the mean of its divisors is an integer number (7097636).

Almost surely, 2^72559792 is an apocalyptic number.

It is an amenable number.

72559792 is a deficient number, since it is larger than the sum of its proper divisors (69392928).

72559792 is a wasteful number, since it uses less digits than its factorization.

72559792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44140 (or 44134 counting only the distinct ones).

The product of its digits is 396900, while the sum is 46.

The square root of 72559792 is about 8518.2035664804. The cubic root of 72559792 is about 417.0921437960.

The spelling of 72559792 in words is "seventy-two million, five hundred fifty-nine thousand, seven hundred ninety-two".