72276516612144 has 100 divisors (see below), whose sum is σ = 225280685793856. Its totient is φ = 22238928183168.

The previous prime is 72276516612143. The next prime is 72276516612163. The reversal of 72276516612144 is 44121661567227.

72276516612144 is a `hidden beast` number, since 7 + 2 + 2 + 7 + 6 + 5 + 1 + 6 + 612 + 14 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (72276516612143) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2144941504 + ... + 2144975199.

Almost surely, 2^{72276516612144} is an apocalyptic number.

It is an amenable number.

72276516612144 is an abundant number, since it is smaller than the sum of its proper divisors (153004169181712).

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

72276516612144 is a wasteful number, since it uses less digits than its factorization.

72276516612144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289916736 (or 4289916721 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 72276516612144 in words is "seventy-two trillion, two hundred seventy-six billion, five hundred sixteen million, six hundred twelve thousand, one hundred forty-four".