634944742 has 8 divisors (see below), whose sum is σ = 957679632. Its totient is φ = 315718200.

The previous prime is 634944719. The next prime is 634944749. The reversal of 634944742 is 247449436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634944749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876634 + ... + 877357.

It is an arithmetic number, because the mean of its divisors is an integer number (119709954).

Almost surely, 2^634944742 is an apocalyptic number.

634944742 is a deficient number, since it is larger than the sum of its proper divisors (322734890).

634944742 is a wasteful number, since it uses less digits than its factorization.

634944742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754174.

The product of its digits is 580608, while the sum is 43.

The square root of 634944742 is about 25198.1098894342. The cubic root of 634944742 is about 859.4988706548.

The spelling of 634944742 in words is "six hundred thirty-four million, nine hundred forty-four thousand, seven hundred forty-two".