72580198020 has 96 divisors (see below), whose sum is σ = 222694133760. Its totient is φ = 17516261760.

The previous prime is 72580197947. The next prime is 72580198049. The reversal of 72580198020 is 2089108527.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99390 + ... + 393749.

It is an arithmetic number, because the mean of its divisors is an integer number (2319730560).

Almost surely, 2^72580198020 is an apocalyptic number.

It is an amenable number.

72580198020 is an abundant number, since it is smaller than the sum of its proper divisors (150113935740).

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

72580198020 is a wasteful number, since it uses less digits than its factorization.

72580198020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493385 (or 493383 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 72580198020 in words is "seventy-two billion, five hundred eighty million, one hundred ninety-eight thousand, twenty".