634733146 has 8 divisors (see below), whose sum is σ = 958490100. Its totient is φ = 315236448.

The previous prime is 634733117. The next prime is 634733149. The reversal of 634733146 is 641337436.

It can be written as a sum of positive squares in 2 ways, for example, as 620557921 + 14175225 = 24911^2 + 3765^2 .

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

It is not an unprimeable number, because it can be changed into a prime (634733149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064691 + ... + 1065286.

Almost surely, 2^634733146 is an apocalyptic number.

634733146 is a deficient number, since it is larger than the sum of its proper divisors (323756954).

634733146 is a wasteful number, since it uses less digits than its factorization.

634733146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130128.

The product of its digits is 108864, while the sum is 37.

The square root of 634733146 is about 25193.9108913245. The cubic root of 634733146 is about 859.4033837475.

It can be divided in two parts, 6347 and 33146, that added together give a palindrome (39493).

The spelling of 634733146 in words is "six hundred thirty-four million, seven hundred thirty-three thousand, one hundred forty-six".