630068906 has 32 divisors (see below), whose sum is σ = 1004659200. Its totient is φ = 295892800.

The previous prime is 630068869. The next prime is 630068911. The reversal of 630068906 is 609860036.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 630068906.

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, 344711 + ... + 346533.

It is an arithmetic number, because the mean of its divisors is an integer number (31395600).

Almost surely, 2^630068906 is an apocalyptic number.

630068906 is a deficient number, since it is larger than the sum of its proper divisors (374590294).

630068906 is a wasteful number, since it uses less digits than its factorization.

630068906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 630068906 is about 25101.1733988672. The cubic root of 630068906 is about 857.2931413182.

The spelling of 630068906 in words is "six hundred thirty million, sixty-eight thousand, nine hundred six".