704660864 has 64 divisors (see below), whose sum is σ = 1439570880. Its totient is φ = 343449600.

The previous prime is 704660857. The next prime is 704660903. The reversal of 704660864 is 468066407.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634729 + ... + 1635159.

It is an arithmetic number, because the mean of its divisors is an integer number (22493295).

Almost surely, 2^704660864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704660864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719785440).

704660864 is an abundant number, since it is smaller than the sum of its proper divisors (734910016).

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

704660864 is a wasteful number, since it uses less digits than its factorization.

704660864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 704660864 is about 26545.4490261514. The cubic root of 704660864 is about 889.8703106066.

The spelling of 704660864 in words is "seven hundred four million, six hundred sixty thousand, eight hundred sixty-four".