630936576 has 132 divisors (see below), whose sum is σ = 1835946112. Its totient is φ = 208687104.

The previous prime is 630936571. The next prime is 630936599. The reversal of 630936576 is 675639036.

630936576 is a `hidden beast` number, since 630 + 9 + 3 + 6 + 5 + 7 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630936571) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2055015 + ... + 2055321.

Almost surely, 2^630936576 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 630936576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (917973056).

630936576 is an abundant number, since it is smaller than the sum of its proper divisors (1205009536).

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

630936576 is a wasteful number, since it uses less digits than its factorization.

630936576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 45.

The square root of 630936576 is about 25118.4509076495. The cubic root of 630936576 is about 857.6864878989.

The spelling of 630936576 in words is "six hundred thirty million, nine hundred thirty-six thousand, five hundred seventy-six".