634825730 has 64 divisors (see below), whose sum is σ = 1508481792. Its totient is φ = 186224640.

The previous prime is 634825717. The next prime is 634825733. The reversal of 634825730 is 37528436.

It is not an unprimeable number, because it can be changed into a prime (634825733) 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 in 31 ways as a sum of consecutive naturals, for example, 11159 + ... + 37338.

It is an arithmetic number, because the mean of its divisors is an integer number (23570028).

Almost surely, 2^634825730 is an apocalyptic number.

634825730 is an abundant number, since it is smaller than the sum of its proper divisors (873656062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634825730 is a wasteful number, since it uses less digits than its factorization.

634825730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48539.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 634825730 is about 25195.7482524334. The cubic root of 634825730 is about 859.4451667314.

The spelling of 634825730 in words is "six hundred thirty-four million, eight hundred twenty-five thousand, seven hundred thirty".