70021932456 has 64 divisors (see below), whose sum is σ = 200230934400. Its totient is φ = 19989439488.

The previous prime is 70021932437. The next prime is 70021932467. The reversal of 70021932456 is 65423912007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25740 + ... + 375108.

It is an arithmetic number, because the mean of its divisors is an integer number (3128608350).

Almost surely, 2^70021932456 is an apocalyptic number.

It is an amenable number.

70021932456 is an abundant number, since it is smaller than the sum of its proper divisors (130209001944).

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

70021932456 is a wasteful number, since it uses less digits than its factorization.

70021932456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350578 (or 350574 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 70021932456 in words is "seventy billion, twenty-one million, nine hundred thirty-two thousand, four hundred fifty-six".