634812716 has 12 divisors (see below), whose sum is σ = 1124985120. Its totient is φ = 313388400.

The previous prime is 634812709. The next prime is 634812727. The reversal of 634812716 is 617218436.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 634812716.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004135 + ... + 1004766.

It is an arithmetic number, because the mean of its divisors is an integer number (93748760).

Almost surely, 2^634812716 is an apocalyptic number.

It is an amenable number.

634812716 is a deficient number, since it is larger than the sum of its proper divisors (490172404).

634812716 is a wasteful number, since it uses less digits than its factorization.

634812716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008984 (or 2008982 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 634812716 is about 25195.4899932508. The cubic root of 634812716 is about 859.4392937833.

The spelling of 634812716 in words is "six hundred thirty-four million, eight hundred twelve thousand, seven hundred sixteen".