630720048 has 160 divisors (see below), whose sum is σ = 2023997440. Its totient is φ = 165162240.

The previous prime is 630720047. The next prime is 630720059. The reversal of 630720048 is 840027036.

It is a junction number, because it is equal to n+sod(n) for n = 630719997 and 630720024.

It is not an unprimeable number, because it can be changed into a prime (630720047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196311 + ... + 199497.

It is an arithmetic number, because the mean of its divisors is an integer number (12649984).

Almost surely, 2^630720048 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 630720048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011998720).

630720048 is an abundant number, since it is smaller than the sum of its proper divisors (1393277392).

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

630720048 is a wasteful number, since it uses less digits than its factorization.

630720048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255 (or 3249 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 630720048 is about 25114.1403993846. The cubic root of 630720048 is about 857.5883616130.

The spelling of 630720048 in words is "six hundred thirty million, seven hundred twenty thousand, forty-eight".