72591753552 has 40 divisors (see below), whose sum is σ = 197398630560. Its totient is φ = 22923711360.

The previous prime is 72591753551. The next prime is 72591753557. The reversal of 72591753552 is 25535719527.

It is a junction number, because it is equal to n+sod(n) for n = 72591753495 and 72591753504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72591753551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39797199 + ... + 39799022.

It is an arithmetic number, because the mean of its divisors is an integer number (4934965764).

Almost surely, 2^72591753552 is an apocalyptic number.

It is an amenable number.

72591753552 is an abundant number, since it is smaller than the sum of its proper divisors (124806877008).

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

72591753552 is a wasteful number, since it uses less digits than its factorization.

72591753552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79596251 (or 79596245 counting only the distinct ones).

The product of its digits is 3307500, while the sum is 51.

The spelling of 72591753552 in words is "seventy-two billion, five hundred ninety-one million, seven hundred fifty-three thousand, five hundred fifty-two".