70279422720 has 144 divisors (see below), whose sum is σ = 241720840032. Its totient is φ = 17299537920.

The previous prime is 70279422691. The next prime is 70279422727. The reversal of 70279422720 is 2722497207.

It is not an unprimeable number, because it can be changed into a prime (70279422727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654001 + ... + 753840.

Almost surely, 2^70279422720 is an apocalyptic number.

It is an amenable number.

70279422720 is an abundant number, since it is smaller than the sum of its proper divisors (171441417312).

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

70279422720 is a wasteful number, since it uses less digits than its factorization.

70279422720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407878 (or 1407864 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The spelling of 70279422720 in words is "seventy billion, two hundred seventy-nine million, four hundred twenty-two thousand, seven hundred twenty".