704668417 has 2 divisors, whose sum is σ = 704668418. Its totient is φ = 704668416.

The previous prime is 704668381. The next prime is 704668427. The reversal of 704668417 is 714866407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613255696 + 91412721 = 24764^2 + 9561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-704668417 is a prime.

It is not a weakly prime, because it can be changed into another prime (704668427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352334208 + 352334209.

It is an arithmetic number, because the mean of its divisors is an integer number (352334209).

Almost surely, 2^704668417 is an apocalyptic number.

It is an amenable number.

704668417 is a deficient number, since it is larger than the sum of its proper divisors (1).

704668417 is an equidigital number, since it uses as much as digits as its factorization.

704668417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 704668417 is about 26545.5912912107. The cubic root of 704668417 is about 889.8734899925.

The spelling of 704668417 in words is "seven hundred four million, six hundred sixty-eight thousand, four hundred seventeen".