704640743 has 2 divisors, whose sum is σ = 704640744. Its totient is φ = 704640742.

The previous prime is 704640683. The next prime is 704640763. The reversal of 704640743 is 347046407.

It is a strong prime.

It is an emirp because it is prime and its reverse (347046407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 704640743 - 2⁸ = 704640487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704640763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352320371 + 352320372.

It is an arithmetic number, because the mean of its divisors is an integer number (352320372).

Almost surely, 2^704640743 is an apocalyptic number.

704640743 is a deficient number, since it is larger than the sum of its proper divisors (1).

704640743 is an equidigital number, since it uses as much as digits as its factorization.

704640743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 704640743 is about 26545.0700319287. The cubic root of 704640743 is about 889.8618406925.

The spelling of 704640743 in words is "seven hundred four million, six hundred forty thousand, seven hundred forty-three".