704290 has 8 divisors (see below), whose sum is σ = 1267740. Its totient is φ = 281712.

The previous prime is 704287. The next prime is 704299. The reversal of 704290 is 92407.

It can be written as a sum of positive squares in 2 ways, for example, as 700569 + 3721 = 837^2 + 61^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (704299) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35205 + ... + 35224.

2⁷⁰⁴²⁹⁰ is an apocalyptic number.

704290 is a deficient number, since it is larger than the sum of its proper divisors (563450).

704290 is a wasteful number, since it uses less digits than its factorization.

704290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70436.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 704290 is about 839.2198758371. The cubic root of 704290 is about 88.9714169881.

Adding to 704290 its reverse (92407), we get a palindrome (796697).

The spelling of 704290 in words is "seven hundred four thousand, two hundred ninety".