704239213 has 2 divisors, whose sum is σ = 704239214. Its totient is φ = 704239212.

The previous prime is 704239189. The next prime is 704239223. The reversal of 704239213 is 312932407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 640191204 + 64048009 = 25302^2 + 8003^2 .

It is a cyclic number.

It is not a de Polignac number, because 704239213 - 2⁹ = 704238701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704239223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352119606 + 352119607.

It is an arithmetic number, because the mean of its divisors is an integer number (352119607).

Almost surely, 2^704239213 is an apocalyptic number.

It is an amenable number.

704239213 is a deficient number, since it is larger than the sum of its proper divisors (1).

704239213 is an equidigital number, since it uses as much as digits as its factorization.

704239213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 704239213 is about 26537.5057795566. The cubic root of 704239213 is about 889.6927833307.

The spelling of 704239213 in words is "seven hundred four million, two hundred thirty-nine thousand, two hundred thirteen".