630807512 has 8 divisors (see below), whose sum is σ = 1182764100. Its totient is φ = 315403752.

The previous prime is 630807481. The next prime is 630807517. The reversal of 630807512 is 215708036.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630807517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39425462 + ... + 39425477.

Almost surely, 2^630807512 is an apocalyptic number.

It is an amenable number.

630807512 is a deficient number, since it is larger than the sum of its proper divisors (551956588).

630807512 is a wasteful number, since it uses less digits than its factorization.

630807512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78850945 (or 78850941 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 630807512 is about 25115.8816687768. The cubic root of 630807512 is about 857.6280013030.

The spelling of 630807512 in words is "six hundred thirty million, eight hundred seven thousand, five hundred twelve".