75640912784 has 20 divisors (see below), whose sum is σ = 146567452416. Its totient is φ = 37817054112.

The previous prime is 75640912727. The next prime is 75640912801. The reversal of 75640912784 is 48721904657.

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 3 ways as a sum of consecutive naturals, for example, 24164 + ... + 389699.

Almost surely, 2^75640912784 is an apocalyptic number.

It is an amenable number.

75640912784 is a deficient number, since it is larger than the sum of its proper divisors (70926539632).

75640912784 is a wasteful number, since it uses less digits than its factorization.

75640912784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425294 (or 425288 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 75640912784 in words is "seventy-five billion, six hundred forty million, nine hundred twelve thousand, seven hundred eighty-four".