72555594215472 has 60 divisors (see below), whose sum is σ = 203112465126480. Its totient is φ = 24178340744064.

The previous prime is 72555594215459. The next prime is 72555594215497. The reversal of 72555594215472 is 27451249555527.

72555594215472 is a `hidden beast` number, since 7 + 2 + 5 + 5 + 55 + 94 + 21 + 5 + 472 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70920847 + ... + 71936622.

It is an arithmetic number, because the mean of its divisors is an integer number (3385207752108).

Almost surely, 2^{72555594215472} is an apocalyptic number.

72555594215472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

72555594215472 is an abundant number, since it is smaller than the sum of its proper divisors (130556870911008).

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

72555594215472 is a wasteful number, since it uses less digits than its factorization.

72555594215472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142861010 (or 142861001 counting only the distinct ones).

The product of its digits is 176400000, while the sum is 63.

The spelling of 72555594215472 in words is "seventy-two trillion, five hundred fifty-five billion, five hundred ninety-four million, two hundred fifteen thousand, four hundred seventy-two".