630470976 has 112 divisors (see below), whose sum is σ = 1774301760. Its totient is φ = 196894720.

The previous prime is 630470969. The next prime is 630470999. The reversal of 630470976 is 679074036.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1367386 + ... + 1367846.

It is an arithmetic number, because the mean of its divisors is an integer number (15841980).

Almost surely, 2^630470976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630470976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887150880).

630470976 is an abundant number, since it is smaller than the sum of its proper divisors (1143830784).

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

630470976 is a wasteful number, since it uses less digits than its factorization.

630470976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 630470976 is about 25109.1811097057. The cubic root of 630470976 is about 857.4754592393.

The spelling of 630470976 in words is "six hundred thirty million, four hundred seventy thousand, nine hundred seventy-six".