635075966 has 12 divisors (see below), whose sum is σ = 1108142928. Its totient is φ = 272175372.

The previous prime is 635075963. The next prime is 635075971. The reversal of 635075966 is 669570536.

It is a self number, because there is not a number n which added to its sum of digits gives 635075966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635075963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3240086 + ... + 3240281.

It is an arithmetic number, because the mean of its divisors is an integer number (92345244).

Almost surely, 2^635075966 is an apocalyptic number.

635075966 is a deficient number, since it is larger than the sum of its proper divisors (473066962).

635075966 is a wasteful number, since it uses less digits than its factorization.

635075966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6480383 (or 6480376 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 47.

The square root of 635075966 is about 25200.7136010074. The cubic root of 635075966 is about 859.5580774400.

The spelling of 635075966 in words is "six hundred thirty-five million, seventy-five thousand, nine hundred sixty-six".