634363744 has 48 divisors (see below), whose sum is σ = 1432505088. Its totient is φ = 270882432.

The previous prime is 634363739. The next prime is 634363781. The reversal of 634363744 is 447363436.

It is a junction number, because it is equal to n+sod(n) for n = 634363697 and 634363706.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58389 + ... + 68395.

It is an arithmetic number, because the mean of its divisors is an integer number (29843856).

Almost surely, 2^634363744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634363744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716252544).

634363744 is an abundant number, since it is smaller than the sum of its proper divisors (798141344).

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

634363744 is a wasteful number, since it uses less digits than its factorization.

634363744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307 (or 10299 counting only the distinct ones).

The product of its digits is 435456, while the sum is 40.

The square root of 634363744 is about 25186.5786481610. The cubic root of 634363744 is about 859.2366328660.

The spelling of 634363744 in words is "six hundred thirty-four million, three hundred sixty-three thousand, seven hundred forty-four".