630210064 has 40 divisors (see below), whose sum is σ = 1363028832. Its totient is φ = 279793920.

The previous prime is 630210037. The next prime is 630210073. The reversal of 630210064 is 460012036.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34069 + ... + 49204.

Almost surely, 2^630210064 is an apocalyptic number.

It is an amenable number.

630210064 is an abundant number, since it is smaller than the sum of its proper divisors (732818768).

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

630210064 is a wasteful number, since it uses less digits than its factorization.

630210064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83335 (or 83329 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 630210064 is about 25103.9850223027. The cubic root of 630210064 is about 857.3571579933.

The spelling of 630210064 in words is "six hundred thirty million, two hundred ten thousand, sixty-four".