75744231264 has 72 divisors (see below), whose sum is σ = 231966719712. Its totient is φ = 23305916160.

The previous prime is 75744231259. The next prime is 75744231347. The reversal of 75744231264 is 46213244757.

75744231264 is a `hidden beast` number, since 7 + 574 + 4 + 2 + 3 + 12 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10111672 + ... + 10119159.

It is an arithmetic number, because the mean of its divisors is an integer number (3221759996).

Almost surely, 2^75744231264 is an apocalyptic number.

It is an amenable number.

75744231264 is an abundant number, since it is smaller than the sum of its proper divisors (156222488448).

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

75744231264 is a wasteful number, since it uses less digits than its factorization.

75744231264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20230860 (or 20230849 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The spelling of 75744231264 in words is "seventy-five billion, seven hundred forty-four million, two hundred thirty-one thousand, two hundred sixty-four".