630207276 has 48 divisors (see below), whose sum is σ = 1563260160. Its totient is φ = 197035200.

The previous prime is 630207239. The next prime is 630207283. The reversal of 630207276 is 672702036.

It is a super-2 number, since 2×630207276² = 794322421446680352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9345 + ... + 36711.

It is an arithmetic number, because the mean of its divisors is an integer number (32567920).

Almost surely, 2^630207276 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 630207276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781630080).

630207276 is an abundant number, since it is smaller than the sum of its proper divisors (933052884).

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

630207276 is a wasteful number, since it uses less digits than its factorization.

630207276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27494 (or 27492 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 630207276 is about 25103.9294932088. The cubic root of 630207276 is about 857.3558936977.

The spelling of 630207276 in words is "six hundred thirty million, two hundred seven thousand, two hundred seventy-six".