72899464368 has 30 divisors (see below), whose sum is σ = 188328448812. Its totient is φ = 24299197920.

The previous prime is 72899464343. The next prime is 72899464387. The reversal of 72899464368 is 86346499827.

It is a junction number, because it is equal to n+sod(n) for n = 72899464299 and 72899464308.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1851123 + ... + 1890093.

Almost surely, 2^72899464368 is an apocalyptic number.

It is an amenable number.

72899464368 is an abundant number, since it is smaller than the sum of its proper divisors (115428984444).

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

72899464368 is an frugal number, since it uses more digits than its factorization.

72899464368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77953 (or 38976 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 66.

The spelling of 72899464368 in words is "seventy-two billion, eight hundred ninety-nine million, four hundred sixty-four thousand, three hundred sixty-eight".