630346752 has 176 divisors, whose sum is σ = 2134120320. Its totient is φ = 180043776.

The previous prime is 630346747. The next prime is 630346771. The reversal of 630346752 is 257643036.

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

It is a congruent number.

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, 191908 + ... + 195164.

Almost surely, 2^630346752 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 630346752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067060160).

630346752 is an abundant number, since it is smaller than the sum of its proper divisors (1503773568).

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

630346752 is a wasteful number, since it uses less digits than its factorization.

630346752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293 (or 3269 counting only the distinct ones).

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

The square root of 630346752 is about 25106.7073109956. The cubic root of 630346752 is about 857.4191383658.

Adding to 630346752 its reverse (257643036), we get a palindrome (887989788).

The spelling of 630346752 in words is "six hundred thirty million, three hundred forty-six thousand, seven hundred fifty-two".