630629744 has 20 divisors (see below), whose sum is σ = 1250261496. Its totient is φ = 307981632.

The previous prime is 630629743. The next prime is 630629789. The reversal of 630629744 is 447926036.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630629743) 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, 457619 + ... + 458994.

Almost surely, 2^630629744 is an apocalyptic number.

It is an amenable number.

630629744 is a deficient number, since it is larger than the sum of its proper divisors (619631752).

630629744 is a wasteful number, since it uses less digits than its factorization.

630629744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916664 (or 916658 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 630629744 is about 25112.3424634183. The cubic root of 630629744 is about 857.5474309571.

The spelling of 630629744 in words is "six hundred thirty million, six hundred twenty-nine thousand, seven hundred forty-four".