704380709 has 2 divisors, whose sum is σ = 704380710. Its totient is φ = 704380708.

The previous prime is 704380661. The next prime is 704380741. The reversal of 704380709 is 907083407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 687750625 + 16630084 = 26225^2 + 4078^2 .

It is a cyclic number.

It is not a de Polignac number, because 704380709 - 2¹⁶ = 704315173 is a prime.

It is a super-2 number, since 2×704380709² = 992304366422685362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704380009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352190354 + 352190355.

It is an arithmetic number, because the mean of its divisors is an integer number (352190355).

Almost surely, 2^704380709 is an apocalyptic number.

It is an amenable number.

704380709 is a deficient number, since it is larger than the sum of its proper divisors (1).

704380709 is an equidigital number, since it uses as much as digits as its factorization.

704380709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 704380709 is about 26540.1716083374. The cubic root of 704380709 is about 889.7523651402.

The spelling of 704380709 in words is "seven hundred four million, three hundred eighty thousand, seven hundred nine".