630715144 has 32 divisors (see below), whose sum is σ = 1209312000. Its totient is φ = 308310912.

The previous prime is 630715123. The next prime is 630715157. The reversal of 630715144 is 441517036.

630715144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60252 + ... + 69940.

It is an arithmetic number, because the mean of its divisors is an integer number (37791000).

Almost surely, 2^630715144 is an apocalyptic number.

It is an amenable number.

630715144 is a deficient number, since it is larger than the sum of its proper divisors (578596856).

630715144 is a wasteful number, since it uses less digits than its factorization.

630715144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9877 (or 9873 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 630715144 is about 25114.0427649552. The cubic root of 630715144 is about 857.5861389553.

The spelling of 630715144 in words is "six hundred thirty million, seven hundred fifteen thousand, one hundred forty-four".