630627748 has 6 divisors (see below), whose sum is σ = 1103598566. Its totient is φ = 315313872.

The previous prime is 630627713. The next prime is 630627769. The reversal of 630627748 is 847726036.

It is a happy number.

630627748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 431309824 + 199317924 = 20768^2 + 14118^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78828465 + ... + 78828472.

Almost surely, 2^630627748 is an apocalyptic number.

It is an amenable number.

630627748 is a deficient number, since it is larger than the sum of its proper divisors (472970818).

630627748 is a wasteful number, since it uses less digits than its factorization.

630627748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157656941 (or 157656939 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 630627748 is about 25112.3027219728. The cubic root of 630627748 is about 857.5465262178.

The spelling of 630627748 in words is "six hundred thirty million, six hundred twenty-seven thousand, seven hundred forty-eight".