630427712 has 14 divisors (see below), whose sum is σ = 1251005118. Its totient is φ = 315213824.

The previous prime is 630427709. The next prime is 630427717. The reversal of 630427712 is 217724036.

It can be written as a sum of positive squares in only one way, i.e., 626200576 + 4227136 = 25024^2 + 2056^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (630427717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4925153 + ... + 4925280.

Almost surely, 2^630427712 is an apocalyptic number.

It is an amenable number.

630427712 is a deficient number, since it is larger than the sum of its proper divisors (620577406).

630427712 is an equidigital number, since it uses as much as digits as its factorization.

630427712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9850445 (or 9850435 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 630427712 is about 25108.3195773831. The cubic root of 630427712 is about 857.4558449782.

The spelling of 630427712 in words is "six hundred thirty million, four hundred twenty-seven thousand, seven hundred twelve".