72545900808 has 16 divisors (see below), whose sum is σ = 181364752080. Its totient is φ = 24181966928.

The previous prime is 72545900803. The next prime is 72545900831. The reversal of 72545900808 is 80800954527.

It is not an unprimeable number, because it can be changed into a prime (72545900803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511372910 + ... + 1511372957.

It is an arithmetic number, because the mean of its divisors is an integer number (11335297005).

Almost surely, 2^72545900808 is an apocalyptic number.

It is an amenable number.

72545900808 is an abundant number, since it is smaller than the sum of its proper divisors (108818851272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72545900808 is a wasteful number, since it uses less digits than its factorization.

72545900808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022745876 (or 3022745872 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 72545900808 in words is "seventy-two billion, five hundred forty-five million, nine hundred thousand, eight hundred eight".