72569799610 has 48 divisors (see below), whose sum is σ = 164091731328. Its totient is φ = 22619155680.

The previous prime is 72569799593. The next prime is 72569799629. The reversal of 72569799610 is 1699796527.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4275462 + ... + 4292401.

It is an arithmetic number, because the mean of its divisors is an integer number (3418577736).

Almost surely, 2^72569799610 is an apocalyptic number.

72569799610 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72569799610 is an abundant number, since it is smaller than the sum of its proper divisors (91521931718).

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

72569799610 is a wasteful number, since it uses less digits than its factorization.

72569799610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8567899 (or 8567888 counting only the distinct ones).

The product of its (nonzero) digits is 12859560, while the sum is 61.

The spelling of 72569799610 in words is "seventy-two billion, five hundred sixty-nine million, seven hundred ninety-nine thousand, six hundred ten".