630651272 has 32 divisors (see below), whose sum is σ = 1199220120. Its totient is φ = 310886400.

The previous prime is 630651269. The next prime is 630651289. The reversal of 630651272 is 272156036.

630651272 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 4 ways, for example, as 524684836 + 105966436 = 22906^2 + 10294^2 .

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, 206138 + ... + 209174.

Almost surely, 2^630651272 is an apocalyptic number.

It is an amenable number.

630651272 is a deficient number, since it is larger than the sum of its proper divisors (568568848).

630651272 is a wasteful number, since it uses less digits than its factorization.

630651272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401 (or 3397 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 630651272 is about 25112.7710936089. The cubic root of 630651272 is about 857.5571889655.

The spelling of 630651272 in words is "six hundred thirty million, six hundred fifty-one thousand, two hundred seventy-two".