630516726 has 96 divisors (see below), whose sum is σ = 1601233920. Its totient is φ = 175586112.

The previous prime is 630516701. The next prime is 630516727. The reversal of 630516726 is 627615036.

630516726 is a `hidden beast` number, since 630 + 5 + 16 + 7 + 2 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630516727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1756135 + ... + 1756493.

It is an arithmetic number, because the mean of its divisors is an integer number (16679520).

Almost surely, 2^630516726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630516726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800616960).

630516726 is an abundant number, since it is smaller than the sum of its proper divisors (970717194).

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

630516726 is a wasteful number, since it uses less digits than its factorization.

630516726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 630516726 is about 25110.0921145264. The cubic root of 630516726 is about 857.4961995825.

The spelling of 630516726 in words is "six hundred thirty million, five hundred sixteen thousand, seven hundred twenty-six".