704544 has 48 divisors (see below), whose sum is σ = 1905120. Its totient is φ = 227840.

The previous prime is 704527. The next prime is 704549. The reversal of 704544 is 445407.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is not an unprimeable number, because it can be changed into a prime (704549) by changing a digit.

704544 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3847 + ... + 4025.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2⁷⁰⁴⁵⁴⁴ 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 704544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952560).

704544 is an abundant number, since it is smaller than the sum of its proper divisors (1200576).

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

704544 is a wasteful number, since it uses less digits than its factorization.

704544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 704544 is about 839.3711932155. The cubic root of 704544 is about 88.9821114575.

The spelling of 704544 in words is "seven hundred four thousand, five hundred forty-four".