630667120 has 40 divisors (see below), whose sum is σ = 1474526160. Its totient is φ = 250851840.

The previous prime is 630667097. The next prime is 630667123. The reversal of 630667120 is 21766036.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630667123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7701 + ... + 36340.

It is an arithmetic number, because the mean of its divisors is an integer number (36863154).

Almost surely, 2^630667120 is an apocalyptic number.

It is an amenable number.

630667120 is an abundant number, since it is smaller than the sum of its proper divisors (843859040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630667120 is a wasteful number, since it uses less digits than its factorization.

630667120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44233 (or 44227 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 630667120 is about 25113.0866282900. The cubic root of 630667120 is about 857.5643722553.

The spelling of 630667120 in words is "six hundred thirty million, six hundred sixty-seven thousand, one hundred twenty".