704900309 has 2 divisors, whose sum is σ = 704900310. Its totient is φ = 704900308.

The previous prime is 704900293. The next prime is 704900341. The reversal of 704900309 is 903009407.

It is a happy number.

704900309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (704900341) can be obtained adding 704900309 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355322500 + 349577809 = 18850^2 + 18697^2 .

It is a cyclic number.

It is not a de Polignac number, because 704900309 - 2⁴ = 704900293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704960309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352450154 + 352450155.

It is an arithmetic number, because the mean of its divisors is an integer number (352450155).

Almost surely, 2^704900309 is an apocalyptic number.

It is an amenable number.

704900309 is a deficient number, since it is larger than the sum of its proper divisors (1).

704900309 is an equidigital number, since it uses as much as digits as its factorization.

704900309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 704900309 is about 26549.9587381977. The cubic root of 704900309 is about 889.9710923574.

The spelling of 704900309 in words is "seven hundred four million, nine hundred thousand, three hundred nine".