630563472 has 480 divisors, whose sum is σ = 2381633280. Its totient is φ = 150958080.

The previous prime is 630563459. The next prime is 630563489. The reversal of 630563472 is 274365036.

630563472 is a `hidden beast` number, since 6 + 305 + 6 + 347 + 2 = 666.

It is a super-2 number, since 2×630563472² = 795220584441389568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11897398 + ... + 11897450.

It is an arithmetic number, because the mean of its divisors is an integer number (4961736).

Almost surely, 2^630563472 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 630563472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1190816640).

630563472 is an abundant number, since it is smaller than the sum of its proper divisors (1751069808).

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

630563472 is a wasteful number, since it uses less digits than its factorization.

630563472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 630563472 is about 25111.0229182325. The cubic root of 630563472 is about 857.5173904170.

The spelling of 630563472 in words is "six hundred thirty million, five hundred sixty-three thousand, four hundred seventy-two".