704637 has 12 divisors (see below), whose sum is σ = 1035840. Its totient is φ = 461448.

The previous prime is 704617. The next prime is 704647. The reversal of 704637 is 736407.

704637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 704637 - 2¹¹ = 702589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 704637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133 + ... + 1194.

It is an arithmetic number, because the mean of its divisors is an integer number (86320).

2⁷⁰⁴⁶³⁷ is an apocalyptic number.

It is an amenable number.

704637 is a deficient number, since it is larger than the sum of its proper divisors (331203).

704637 is a wasteful number, since it uses less digits than its factorization.

704637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 704637 is about 839.4265900006. The cubic root of 704637 is about 88.9860265063.

The spelling of 704637 in words is "seven hundred four thousand, six hundred thirty-seven".