72711525488 has 40 divisors (see below), whose sum is σ = 161017610880. Its totient is φ = 31159465920.

The previous prime is 72711525463. The next prime is 72711525493. The reversal of 72711525488 is 88452511727.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 1950383 + ... + 1987313.

It is an arithmetic number, because the mean of its divisors is an integer number (4025440272).

Almost surely, 2^72711525488 is an apocalyptic number.

It is an amenable number.

72711525488 is an abundant number, since it is smaller than the sum of its proper divisors (88306085392).

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

72711525488 is a wasteful number, since it uses less digits than its factorization.

72711525488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54525 (or 54519 counting only the distinct ones).

The product of its digits is 1254400, while the sum is 50.

The spelling of 72711525488 in words is "seventy-two billion, seven hundred eleven million, five hundred twenty-five thousand, four hundred eighty-eight".