704663 has 2 divisors, whose sum is σ = 704664. Its totient is φ = 704662.

The previous prime is 704657. The next prime is 704681. The reversal of 704663 is 366407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 704663 - 2⁴ = 704647 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352331 + 352332.

It is an arithmetic number, because the mean of its divisors is an integer number (352332).

2⁷⁰⁴⁶⁶³ is an apocalyptic number.

704663 is a deficient number, since it is larger than the sum of its proper divisors (1).

704663 is an equidigital number, since it uses as much as digits as its factorization.

704663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 704663 is about 839.4420766199. The cubic root of 704663 is about 88.9871209744.

The spelling of 704663 in words is "seven hundred four thousand, six hundred sixty-three".