704635381 has 2 divisors, whose sum is σ = 704635382. Its totient is φ = 704635380.

The previous prime is 704635369. The next prime is 704635409. The reversal of 704635381 is 183536407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 601917156 + 102718225 = 24534^2 + 10135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-704635381 is a prime.

It is a super-2 number, since 2×704635381² = 993022040314030322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 704635381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704635081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352317690 + 352317691.

It is an arithmetic number, because the mean of its divisors is an integer number (352317691).

Almost surely, 2^704635381 is an apocalyptic number.

It is an amenable number.

704635381 is a deficient number, since it is larger than the sum of its proper divisors (1).

704635381 is an equidigital number, since it uses as much as digits as its factorization.

704635381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 704635381 is about 26544.9690336983. The cubic root of 704635381 is about 889.8595835370.

The spelling of 704635381 in words is "seven hundred four million, six hundred thirty-five thousand, three hundred eighty-one".