30644668 has 12 divisors (see below), whose sum is σ = 53691120. Its totient is φ = 15304352.

The previous prime is 30644657. The next prime is 30644683. The reversal of 30644668 is 86644603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208 + ... + 7831.

It is an arithmetic number, because the mean of its divisors is an integer number (4474260).

Almost surely, 2^30644668 is an apocalyptic number.

It is an amenable number.

30644668 is a deficient number, since it is larger than the sum of its proper divisors (23046452).

30644668 is a wasteful number, since it uses less digits than its factorization.

30644668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8996 (or 8994 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 30644668 is about 5535.7626394202. The cubic root of 30644668 is about 312.9331993119.

The spelling of 30644668 in words is "thirty million, six hundred forty-four thousand, six hundred sixty-eight".