70750921928 has 8 divisors (see below), whose sum is σ = 132657978630. Its totient is φ = 35375460960.

The previous prime is 70750921907. The next prime is 70750921937. The reversal of 70750921928 is 82912905707.

It can be written as a sum of positive squares in only one way, i.e., 60231958084 + 10518963844 = 245422^2 + 102562^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4421932613 + ... + 4421932628.

Almost surely, 2^70750921928 is an apocalyptic number.

It is an amenable number.

70750921928 is a deficient number, since it is larger than the sum of its proper divisors (61907056702).

70750921928 is a wasteful number, since it uses less digits than its factorization.

70750921928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8843865247 (or 8843865243 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 50.

The spelling of 70750921928 in words is "seventy billion, seven hundred fifty million, nine hundred twenty-one thousand, nine hundred twenty-eight".