734064689 has 2 divisors, whose sum is σ = 734064690. Its totient is φ = 734064688.

The previous prime is 734064679. The next prime is 734064703. The reversal of 734064689 is 986460437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466905664 + 267159025 = 21608^2 + 16345^2 .

It is an emirp because it is prime and its reverse (986460437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 734064689 - 2⁸ = 734064433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (734064629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367032344 + 367032345.

It is an arithmetic number, because the mean of its divisors is an integer number (367032345).

Almost surely, 2^734064689 is an apocalyptic number.

It is an amenable number.

734064689 is a deficient number, since it is larger than the sum of its proper divisors (1).

734064689 is an equidigital number, since it uses as much as digits as its factorization.

734064689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 734064689 is about 27093.6281992649. The cubic root of 734064689 is about 902.0794259979.

The spelling of 734064689 in words is "seven hundred thirty-four million, sixty-four thousand, six hundred eighty-nine".