634674744 has 256 divisors, whose sum is σ = 2035584000. Its totient is φ = 181440000.

The previous prime is 634674743. The next prime is 634674757. The reversal of 634674744 is 447476436.

634674744 is a `hidden beast` number, since 634 + 6 + 7 + 4 + 7 + 4 + 4 = 666.

634674744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 634674744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634674743) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4203069 + ... + 4203219.

It is an arithmetic number, because the mean of its divisors is an integer number (7951500).

Almost surely, 2^634674744 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 634674744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017792000).

634674744 is an abundant number, since it is smaller than the sum of its proper divisors (1400909256).

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

634674744 is a wasteful number, since it uses less digits than its factorization.

634674744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 257 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 45.

The square root of 634674744 is about 25192.7518147581. The cubic root of 634674744 is about 859.3770249455.

The spelling of 634674744 in words is "six hundred thirty-four million, six hundred seventy-four thousand, seven hundred forty-four".