630004736 has 44 divisors (see below), whose sum is σ = 1325719080. Its totient is φ = 298414080.

The previous prime is 630004703. The next prime is 630004741. The reversal of 630004736 is 637400036.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 630004699 and 630004708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3266 + ... + 35646.

Almost surely, 2^630004736 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 630004736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662859540).

630004736 is an abundant number, since it is smaller than the sum of its proper divisors (695714344).

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

630004736 is a wasteful number, since it uses less digits than its factorization.

630004736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32420 (or 32402 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 630004736 is about 25099.8951392232. The cubic root of 630004736 is about 857.2640363700.

The spelling of 630004736 in words is "six hundred thirty million, four thousand, seven hundred thirty-six".