630450732 has 24 divisors (see below), whose sum is σ = 1477538496. Its totient is φ = 209223568.

The previous prime is 630450721. The next prime is 630450739. The reversal of 630450732 is 237054036.

630450732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 630450732.

It is not an unprimeable number, because it can be changed into a prime (630450739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112998 + ... + 118445.

It is an arithmetic number, because the mean of its divisors is an integer number (61564104).

Almost surely, 2^630450732 is an apocalyptic number.

It is an amenable number.

630450732 is an abundant number, since it is smaller than the sum of its proper divisors (847087764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630450732 is a wasteful number, since it uses less digits than its factorization.

630450732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231677 (or 231675 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 630450732 is about 25108.7779869909. Note that the first 3 decimals coincide. The cubic root of 630450732 is about 857.4662814871.

The spelling of 630450732 in words is "six hundred thirty million, four hundred fifty thousand, seven hundred thirty-two".