734743609 has 2 divisors, whose sum is σ = 734743610. Its totient is φ = 734743608.

The previous prime is 734743577. The next prime is 734743631. The reversal of 734743609 is 906347437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 631416384 + 103327225 = 25128^2 + 10165^2 .

It is a cyclic number.

It is not a de Polignac number, because 734743609 - 2⁵ = 734743577 is a prime.

It is not a weakly prime, because it can be changed into another prime (734743649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367371804 + 367371805.

It is an arithmetic number, because the mean of its divisors is an integer number (367371805).

Almost surely, 2^734743609 is an apocalyptic number.

It is an amenable number.

734743609 is a deficient number, since it is larger than the sum of its proper divisors (1).

734743609 is an equidigital number, since it uses as much as digits as its factorization.

734743609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 43.

The square root of 734743609 is about 27106.1544487594. The cubic root of 734743609 is about 902.3574446609.

The spelling of 734743609 in words is "seven hundred thirty-four million, seven hundred forty-three thousand, six hundred nine".