72814622498 has 6 divisors (see below), whose sum is σ = 109222506171. Its totient is φ = 36407120442.

The previous prime is 72814622477. The next prime is 72814622539. The reversal of 72814622498 is 89422641827.

It can be written as a sum of positive squares in only one way, i.e., 36407311249 + 36407311249 = 190807^2 + 190807^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=190807.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 286211 + ... + 477017.

Almost surely, 2^72814622498 is an apocalyptic number.

72814622498 is a deficient number, since it is larger than the sum of its proper divisors (36407883673).

72814622498 is an frugal number, since it uses more digits than its factorization.

72814622498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381616 (or 190809 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 53.

The spelling of 72814622498 in words is "seventy-two billion, eight hundred fourteen million, six hundred twenty-two thousand, four hundred ninety-eight".