704213609 has 16 divisors (see below), whose sum is σ = 806785920. Its totient is φ = 608424960.

The previous prime is 704213561. The next prime is 704213611. The reversal of 704213609 is 906312407.

It is not a de Polignac number, because 704213609 - 2⁸ = 704213353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (704213669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30857 + ... + 48585.

It is an arithmetic number, because the mean of its divisors is an integer number (50424120).

Almost surely, 2^704213609 is an apocalyptic number.

It is an amenable number.

704213609 is a deficient number, since it is larger than the sum of its proper divisors (102572311).

704213609 is a wasteful number, since it uses less digits than its factorization.

704213609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17920.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 704213609 is about 26537.0233635952. The cubic root of 704213609 is about 889.6820010238.

The spelling of 704213609 in words is "seven hundred four million, two hundred thirteen thousand, six hundred nine".