30306668 has 12 divisors (see below), whose sum is σ = 60613392. Its totient is φ = 12988560.

The previous prime is 30306649. The next prime is 30306697. The reversal of 30306668 is 86660303.

It is a happy number.

30306668 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 541163 + ... + 541218.

It is an arithmetic number, because the mean of its divisors is an integer number (5051116).

Almost surely, 2^30306668 is an apocalyptic number.

It is an amenable number.

30306668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30306668 is a wasteful number, since it uses less digits than its factorization.

30306668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082392 (or 1082390 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 30306668 is about 5505.1492259520. The cubic root of 30306668 is about 311.7784285934.

The spelling of 30306668 in words is "thirty million, three hundred six thousand, six hundred sixty-eight".