634312746 has 24 divisors (see below), whose sum is σ = 1377064260. Its totient is φ = 211019136.

The previous prime is 634312741. The next prime is 634312753. The reversal of 634312746 is 647213436.

It is a happy number.

634312746 is a `hidden beast` number, since 634 + 3 + 12 + 7 + 4 + 6 = 666.

634312746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 471367521 + 162945225 = 21711^2 + 12765^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 634312746.

It is not an unprimeable number, because it can be changed into a prime (634312741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25455 + ... + 43778.

Almost surely, 2^634312746 is an apocalyptic number.

634312746 is an abundant number, since it is smaller than the sum of its proper divisors (742751514).

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

634312746 is a wasteful number, since it uses less digits than its factorization.

634312746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69750 (or 69747 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 634312746 is about 25185.5662235337. The cubic root of 634312746 is about 859.2136068947.

The spelling of 634312746 in words is "six hundred thirty-four million, three hundred twelve thousand, seven hundred forty-six".