704810664 has 96 divisors (see below), whose sum is σ = 2023093800. Its totient is φ = 221276160.

The previous prime is 704810657. The next prime is 704810683. The reversal of 704810664 is 466018407.

It can be written as a sum of positive squares in 4 ways, for example, as 322920900 + 381889764 = 17970^2 + 19542^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81492 + ... + 89724.

Almost surely, 2^704810664 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 704810664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011546900).

704810664 is an abundant number, since it is smaller than the sum of its proper divisors (1318283136).

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

704810664 is a wasteful number, since it uses less digits than its factorization.

704810664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8315 (or 8308 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 704810664 is about 26548.2704521406. The cubic root of 704810664 is about 889.9333636933.

The spelling of 704810664 in words is "seven hundred four million, eight hundred ten thousand, six hundred sixty-four".