704040070656 has 80 divisors (see below), whose sum is σ = 2019884250384. Its totient is φ = 216627707904.

The previous prime is 704040070633. The next prime is 704040070667. The reversal of 704040070656 is 656070040407.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17609241 + ... + 17649176.

Almost surely, 2^704040070656 is an apocalyptic number.

It is an amenable number.

704040070656 is an abundant number, since it is smaller than the sum of its proper divisors (1315844179728).

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

704040070656 is a wasteful number, since it uses less digits than its factorization.

704040070656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35258451 (or 35258435 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 704040070656 in words is "seven hundred four billion, forty million, seventy thousand, six hundred fifty-six".