704280064 has 20 divisors (see below), whose sum is σ = 1407185604. Its totient is φ = 352139776.

The previous prime is 704280019. The next prime is 704280067. The reversal of 704280064 is 460082407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704280067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687262 + ... + 688285.

Almost surely, 2^704280064 is an apocalyptic number.

It is an amenable number.

704280064 is a deficient number, since it is larger than the sum of its proper divisors (702905540).

704280064 is an equidigital number, since it uses as much as digits as its factorization.

704280064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375565 (or 1375549 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 704280064 is about 26538.2754526363. The cubic root of 704280064 is about 889.7099858837.

The spelling of 704280064 in words is "seven hundred four million, two hundred eighty thousand, sixty-four".