70700817664 has 36 divisors (see below), whose sum is σ = 142140822880. Its totient is φ = 35096071680.

The previous prime is 70700817653. The next prime is 70700817743. The reversal of 70700817664 is 46671800707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957852 + ... + 1029019.

Almost surely, 2^70700817664 is an apocalyptic number.

It is an amenable number.

70700817664 is an abundant number, since it is smaller than the sum of its proper divisors (71440005216).

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

70700817664 is a wasteful number, since it uses less digits than its factorization.

70700817664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987026 (or 1987012 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 46.

The spelling of 70700817664 in words is "seventy billion, seven hundred million, eight hundred seventeen thousand, six hundred sixty-four".