704400 has 60 divisors (see below), whose sum is σ = 2260272. Its totient is φ = 187520.

The previous prime is 704399. The next prime is 704419. The reversal of 704400 is 4407.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 704400.

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 11 ways as a sum of consecutive naturals, for example, 907 + ... + 1493.

2⁷⁰⁴⁴⁰⁰ 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 704400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130136).

704400 is an abundant number, since it is smaller than the sum of its proper divisors (1555872).

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

704400 is a wasteful number, since it uses less digits than its factorization.

704400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 704400 is about 839.2854103343. The cubic root of 704400 is about 88.9760487668.

Adding to 704400 its reverse (4407), we get a palindrome (708807).

The spelling of 704400 in words is "seven hundred four thousand, four hundred", and thus it is an iban number.