704637673 has 2 divisors, whose sum is σ = 704637674. Its totient is φ = 704637672.

The previous prime is 704637671. The next prime is 704637691. The reversal of 704637673 is 376736407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 494039529 + 210598144 = 22227^2 + 14512^2 .

It is a cyclic number.

It is not a de Polignac number, because 704637673 - 2¹ = 704637671 is a prime.

Together with 704637671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (704637671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352318836 + 352318837.

It is an arithmetic number, because the mean of its divisors is an integer number (352318837).

Almost surely, 2^704637673 is an apocalyptic number.

It is an amenable number.

704637673 is a deficient number, since it is larger than the sum of its proper divisors (1).

704637673 is an equidigital number, since it uses as much as digits as its factorization.

704637673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 444528, while the sum is 43.

The square root of 704637673 is about 26545.0122056856. The cubic root of 704637673 is about 889.8605483650.

The spelling of 704637673 in words is "seven hundred four million, six hundred thirty-seven thousand, six hundred seventy-three".