72485232720 has 80 divisors (see below), whose sum is σ = 224731687680. Its totient is φ = 19327032832.

The previous prime is 72485232563. The next prime is 72485232737. The reversal of 72485232720 is 2723258427.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2925022 + ... + 2949698.

It is an arithmetic number, because the mean of its divisors is an integer number (2809146096).

Almost surely, 2^72485232720 is an apocalyptic number.

It is an amenable number.

72485232720 is an abundant number, since it is smaller than the sum of its proper divisors (152246454960).

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

72485232720 is a wasteful number, since it uses less digits than its factorization.

72485232720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36932 (or 36926 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 72485232720 in words is "seventy-two billion, four hundred eighty-five million, two hundred thirty-two thousand, seven hundred twenty".