704312 has 16 divisors (see below), whose sum is σ = 1509360. Its totient is φ = 301824.

The previous prime is 704309. The next prime is 704321. The reversal of 704312 is 213407.

It is a happy number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6233 + ... + 6344.

It is an arithmetic number, because the mean of its divisors is an integer number (94335).

2⁷⁰⁴³¹² is an apocalyptic number.

It is an amenable number.

704312 is an abundant number, since it is smaller than the sum of its proper divisors (805048).

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

704312 is a wasteful number, since it uses less digits than its factorization.

704312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12590 (or 12586 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 704312 is about 839.2329831459. The cubic root of 704312 is about 88.9723433824.

Adding to 704312 its reverse (213407), we get a palindrome (917719).

The spelling of 704312 in words is "seven hundred four thousand, three hundred twelve", and thus it is an iban number.