74375920128 has 80 divisors (see below), whose sum is σ = 208570713120. Its totient is φ = 23487123456.

The previous prime is 74375920117. The next prime is 74375920163. The reversal of 74375920128 is 82102957347.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245075 + ... + 1303442.

It is an arithmetic number, because the mean of its divisors is an integer number (2607133914).

Almost surely, 2^74375920128 is an apocalyptic number.

It is an amenable number.

74375920128 is an abundant number, since it is smaller than the sum of its proper divisors (134194792992).

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

74375920128 is a wasteful number, since it uses less digits than its factorization.

74375920128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548557 (or 2548541 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 74375920128 in words is "seventy-four billion, three hundred seventy-five million, nine hundred twenty thousand, one hundred twenty-eight".