72225976358648 has 64 divisors (see below), whose sum is σ = 157189119436800. Its totient is φ = 30470798033280.

The previous prime is 72225976358603. The next prime is 72225976358671. The reversal of 72225976358648 is 84685367952227.

It is a super-4 number, since 4×72225976358648⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289543 + ... + 12087798.

It is an arithmetic number, because the mean of its divisors is an integer number (2456079991200).

Almost surely, 2^{72225976358648} is an apocalyptic number.

It is an amenable number.

72225976358648 is an abundant number, since it is smaller than the sum of its proper divisors (84963143078152).

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

72225976358648 is a wasteful number, since it uses less digits than its factorization.

72225976358648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13378860 (or 13378856 counting only the distinct ones).

The product of its digits is 2438553600, while the sum is 74.

The spelling of 72225976358648 in words is "seventy-two trillion, two hundred twenty-five billion, nine hundred seventy-six million, three hundred fifty-eight thousand, six hundred forty-eight".