634334746 has 4 divisors (see below), whose sum is σ = 951502122. Its totient is φ = 317167372.

The previous prime is 634334731. The next prime is 634334747. The reversal of 634334746 is 647433436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 387499225 + 246835521 = 19685^2 + 15711^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 634334699 and 634334708.

It is not an unprimeable number, because it can be changed into a prime (634334747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158583685 + ... + 158583688.

Almost surely, 2^634334746 is an apocalyptic number.

634334746 is a deficient number, since it is larger than the sum of its proper divisors (317167376).

634334746 is a wasteful number, since it uses less digits than its factorization.

634334746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317167375.

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

The square root of 634334746 is about 25186.0029778447. The cubic root of 634334746 is about 859.2235402075.

The spelling of 634334746 in words is "six hundred thirty-four million, three hundred thirty-four thousand, seven hundred forty-six".