634234375 has 14 divisors (see below), whose sum is σ = 792802352. Its totient is φ = 507375000.

The previous prime is 634234373. The next prime is 634234387. The reversal of 634234375 is 573432436.

634234375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 634234375 - 2¹ = 634234373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634234373) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4671 + ... + 35920.

Almost surely, 2^634234375 is an apocalyptic number.

634234375 is a deficient number, since it is larger than the sum of its proper divisors (158567977).

634234375 is an frugal number, since it uses more digits than its factorization.

634234375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40621 (or 40596 counting only the distinct ones).

The product of its digits is 181440, while the sum is 37.

The square root of 634234375 is about 25184.0103041593. The cubic root of 634234375 is about 859.1782194072.

The spelling of 634234375 in words is "six hundred thirty-four million, two hundred thirty-four thousand, three hundred seventy-five".