704256 has 72 divisors (see below), whose sum is σ = 2158464. Its totient is φ = 199680.

The previous prime is 704251. The next prime is 704269. The reversal of 704256 is 652407.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 4 and base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5311 + ... + 5441.

2⁷⁰⁴²⁵⁶ 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 704256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079232).

704256 is an abundant number, since it is smaller than the sum of its proper divisors (1454208).

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

704256 is a wasteful number, since it uses less digits than its factorization.

704256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 704256 is about 839.1996186844. The cubic root of 704256 is about 88.9699852498.

The spelling of 704256 in words is "seven hundred four thousand, two hundred fifty-six".