72847693366056 has 48 divisors (see below), whose sum is σ = 225480955658400. Its totient is φ = 20813626675872.

The previous prime is 72847693366037. The next prime is 72847693366069. The reversal of 72847693366056 is 65066339674827.

72847693366056 is a `hidden beast` number, since 7 + 2 + 8 + 4 + 7 + 6 + 9 + 3 + 3 + 6 + 605 + 6 = 666.

It is a super-2 number, since 2×72847693366056² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 11 ways as a sum of consecutive naturals, for example, 72269536566 + ... + 72269537573.

It is an arithmetic number, because the mean of its divisors is an integer number (4697519909550).

Almost surely, 2^{72847693366056} is an apocalyptic number.

It is an amenable number.

72847693366056 is an abundant number, since it is smaller than the sum of its proper divisors (152633262292344).

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

72847693366056 is a wasteful number, since it uses less digits than its factorization.

72847693366056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144539074158 (or 144539074151 counting only the distinct ones).

The product of its (nonzero) digits is 1646023680, while the sum is 72.

The spelling of 72847693366056 in words is "seventy-two trillion, eight hundred forty-seven billion, six hundred ninety-three million, three hundred sixty-six thousand, fifty-six".