704365640 has 64 divisors (see below), whose sum is σ = 1754775360. Its totient is φ = 252299520.

The previous prime is 704365637. The next prime is 704365643. The reversal of 704365640 is 46563407.

704365640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (704365637) and next prime (704365643).

It is a super-2 number, since 2×704365640² = 992261909625219200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 704365640.

It is not an unprimeable number, because it can be changed into a prime (704365643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17534 + ... + 41426.

It is an arithmetic number, because the mean of its divisors is an integer number (27418365).

Almost surely, 2^704365640 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 704365640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (877387680).

704365640 is an abundant number, since it is smaller than the sum of its proper divisors (1050409720).

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

704365640 is a wasteful number, since it uses less digits than its factorization.

704365640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23982 (or 23978 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 704365640 is about 26539.8877164166. The cubic root of 704365640 is about 889.7460201936.

The spelling of 704365640 in words is "seven hundred four million, three hundred sixty-five thousand, six hundred forty".