75681743912 has 16 divisors (see below), whose sum is σ = 142331985600. Its totient is φ = 37726547760.

The previous prime is 75681743909. The next prime is 75681743941. The reversal of 75681743912 is 21934718657.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14287712 + ... + 14293007.

It is an arithmetic number, because the mean of its divisors is an integer number (8895749100).

Almost surely, 2^75681743912 is an apocalyptic number.

It is an amenable number.

75681743912 is a deficient number, since it is larger than the sum of its proper divisors (66650241688).

75681743912 is a wasteful number, since it uses less digits than its factorization.

75681743912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28581056 (or 28581052 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The spelling of 75681743912 in words is "seventy-five billion, six hundred eighty-one million, seven hundred forty-three thousand, nine hundred twelve".