72959896 has 8 divisors (see below), whose sum is σ = 136799820. Its totient is φ = 36479944.

The previous prime is 72959891. The next prime is 72959917. The reversal of 72959896 is 69895927.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72959891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4559986 + ... + 4560001.

Almost surely, 2^72959896 is an apocalyptic number.

It is an amenable number.

72959896 is a deficient number, since it is larger than the sum of its proper divisors (63839924).

72959896 is a wasteful number, since it uses less digits than its factorization.

72959896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119993 (or 9119989 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 55.

The square root of 72959896 is about 8541.6565138151. The cubic root of 72959896 is about 417.8573721854.

The spelling of 72959896 in words is "seventy-two million, nine hundred fifty-nine thousand, eight hundred ninety-six".