734634405 has 24 divisors (see below), whose sum is σ = 1290815448. Its totient is φ = 386436096.

The previous prime is 734634401. The next prime is 734634443. The reversal of 734634405 is 504436437.

It is a happy number.

734634405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3526884 + 731107521 = 1878^2 + 27039^2 .

It is not a de Polignac number, because 734634405 - 2² = 734634401 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 734634405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734634401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108532 + ... + 115101.

It is an arithmetic number, because the mean of its divisors is an integer number (53783977).

Almost surely, 2^734634405 is an apocalyptic number.

It is an amenable number.

734634405 is a deficient number, since it is larger than the sum of its proper divisors (556181043).

734634405 is a wasteful number, since it uses less digits than its factorization.

734634405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223717 (or 223714 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The square root of 734634405 is about 27104.1399974247. The cubic root of 734634405 is about 902.3127370361.

The spelling of 734634405 in words is "seven hundred thirty-four million, six hundred thirty-four thousand, four hundred five".