630695296 has 128 divisors (see below), whose sum is σ = 1586304000. Its totient is φ = 242626560.

The previous prime is 630695293. The next prime is 630695311. The reversal of 630695296 is 692596036.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630695293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876825 + ... + 877543.

It is an arithmetic number, because the mean of its divisors is an integer number (12393000).

Almost surely, 2^630695296 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 630695296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793152000).

630695296 is an abundant number, since it is smaller than the sum of its proper divisors (955608704).

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

630695296 is a wasteful number, since it uses less digits than its factorization.

630695296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 46.

The square root of 630695296 is about 25113.6476044401. The cubic root of 630695296 is about 857.5771430568.

The spelling of 630695296 in words is "six hundred thirty million, six hundred ninety-five thousand, two hundred ninety-six".