72524957384 has 16 divisors (see below), whose sum is σ = 148346503920. Its totient is φ = 32965889680.

The previous prime is 72524957369. The next prime is 72524957413. The reversal of 72524957384 is 48375942527.

It is a super-2 number, since 2×72524957384² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412073534 + ... + 412073709.

It is an arithmetic number, because the mean of its divisors is an integer number (9271656495).

Almost surely, 2^72524957384 is an apocalyptic number.

It is an amenable number.

72524957384 is an abundant number, since it is smaller than the sum of its proper divisors (75821546536).

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

72524957384 is a wasteful number, since it uses less digits than its factorization.

72524957384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824147260 (or 824147256 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 56.

The spelling of 72524957384 in words is "seventy-two billion, five hundred twenty-four million, nine hundred fifty-seven thousand, three hundred eighty-four".