72196601584 has 40 divisors (see below), whose sum is σ = 147268352000. Its totient is φ = 34192518336.

The previous prime is 72196601569. The next prime is 72196601591. The reversal of 72196601584 is 48510669127.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2122987 + ... + 2156725.

It is an arithmetic number, because the mean of its divisors is an integer number (3681708800).

Almost surely, 2^72196601584 is an apocalyptic number.

It is an amenable number.

72196601584 is an abundant number, since it is smaller than the sum of its proper divisors (75071750416).

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

72196601584 is a wasteful number, since it uses less digits than its factorization.

72196601584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40805 (or 40799 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 72196601584 in words is "seventy-two billion, one hundred ninety-six million, six hundred one thousand, five hundred eighty-four".