75474115145764 has 12 divisors (see below), whose sum is σ = 132175342138588. Its totient is φ = 37709731677600.

The previous prime is 75474115145729. The next prime is 75474115145789. The reversal of 75474115145764 is 46754151147457.

It can be written as a sum of positive squares in 2 ways, for example, as 23700909616164 + 51773205529600 = 4868358^2 + 7195360^2 .

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6831467607 + ... + 6831478654.

Almost surely, 2^{75474115145764} is an apocalyptic number.

It is an amenable number.

75474115145764 is a deficient number, since it is larger than the sum of its proper divisors (56701226992824).

75474115145764 is a wasteful number, since it uses less digits than its factorization.

75474115145764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13662947646 (or 13662947644 counting only the distinct ones).

The product of its digits is 65856000, while the sum is 61.

The spelling of 75474115145764 in words is "seventy-five trillion, four hundred seventy-four billion, one hundred fifteen million, one hundred forty-five thousand, seven hundred sixty-four".