734634389 has 2 divisors, whose sum is σ = 734634390. Its totient is φ = 734634388.

The previous prime is 734634377. The next prime is 734634401. The reversal of 734634389 is 983436437.

734634389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (734634377) and next prime (734634401).

It can be written as a sum of positive squares in only one way, i.e., 646837489 + 87796900 = 25433^2 + 9370^2 .

It is a cyclic number.

It is not a de Polignac number, because 734634389 - 2⁸ = 734634133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (734634319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367317194 + 367317195.

It is an arithmetic number, because the mean of its divisors is an integer number (367317195).

Almost surely, 2^734634389 is an apocalyptic number.

It is an amenable number.

734634389 is a deficient number, since it is larger than the sum of its proper divisors (1).

734634389 is an equidigital number, since it uses as much as digits as its factorization.

734634389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 47.

The square root of 734634389 is about 27104.1397022669. The cubic root of 734634389 is about 902.3127304854.

The spelling of 734634389 in words is "seven hundred thirty-four million, six hundred thirty-four thousand, three hundred eighty-nine".