72475804524 has 24 divisors (see below), whose sum is σ = 169194359488. Its totient is φ = 24146580240.

The previous prime is 72475804493. The next prime is 72475804529. The reversal of 72475804524 is 42540857427.

It is not an unprimeable number, because it can be changed into a prime (72475804529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1477522 + ... + 1525785.

Almost surely, 2^72475804524 is an apocalyptic number.

It is an amenable number.

72475804524 is an abundant number, since it is smaller than the sum of its proper divisors (96718554964).

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

72475804524 is a wasteful number, since it uses less digits than its factorization.

72475804524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005325 (or 3005323 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 48.

The spelling of 72475804524 in words is "seventy-two billion, four hundred seventy-five million, eight hundred four thousand, five hundred twenty-four".