75418773128 has 16 divisors (see below), whose sum is σ = 148852842000. Its totient is φ = 35724681936.

The previous prime is 75418773097. The next prime is 75418773149. The reversal of 75418773128 is 82137781457.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 75418773128.

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, 248087918 + ... + 248088221.

It is an arithmetic number, because the mean of its divisors is an integer number (9303302625).

Almost surely, 2^75418773128 is an apocalyptic number.

It is an amenable number.

75418773128 is a deficient number, since it is larger than the sum of its proper divisors (73434068872).

75418773128 is a wasteful number, since it uses less digits than its factorization.

75418773128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496176164 (or 496176160 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 53.

The spelling of 75418773128 in words is "seventy-five billion, four hundred eighteen million, seven hundred seventy-three thousand, one hundred twenty-eight".