75972664368 has 100 divisors (see below), whose sum is σ = 222154175320. Its totient is φ = 25063105536.

The previous prime is 75972664351. The next prime is 75972664381. The reversal of 75972664368 is 86346627957.

75972664368 is a `hidden beast` number, since 7 + 5 + 9 + 7 + 266 + 4 + 368 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 176458 + ... + 427881.

Almost surely, 2^75972664368 is an apocalyptic number.

It is an amenable number.

75972664368 is an abundant number, since it is smaller than the sum of its proper divisors (146181510952).

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

75972664368 is a wasteful number, since it uses less digits than its factorization.

75972664368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604456 (or 604441 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 63.

The spelling of 75972664368 in words is "seventy-five billion, nine hundred seventy-two million, six hundred sixty-four thousand, three hundred sixty-eight".