72989096 has 32 divisors (see below), whose sum is σ = 139114560. Its totient is φ = 35897472.

The previous prime is 72989083. The next prime is 72989101. The reversal of 72989096 is 69098927.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233036 + ... + 233348.

It is an arithmetic number, because the mean of its divisors is an integer number (4347330).

Almost surely, 2^72989096 is an apocalyptic number.

It is an amenable number.

72989096 is a deficient number, since it is larger than the sum of its proper divisors (66125464).

72989096 is a wasteful number, since it uses less digits than its factorization.

72989096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 72989096 is about 8543.3656131527. The cubic root of 72989096 is about 417.9131096912.

The spelling of 72989096 in words is "seventy-two million, nine hundred eighty-nine thousand, ninety-six".