30066646 has 8 divisors (see below), whose sum is σ = 45124344. Its totient is φ = 15025200.

The previous prime is 30066643. The next prime is 30066661. The reversal of 30066646 is 64666003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30066643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3066 + ... + 8338.

It is an arithmetic number, because the mean of its divisors is an integer number (5640543).

Almost surely, 2^30066646 is an apocalyptic number.

30066646 is a deficient number, since it is larger than the sum of its proper divisors (15057698).

30066646 is a wasteful number, since it uses less digits than its factorization.

30066646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8126.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 30066646 is about 5483.3061194867. The cubic root of 30066646 is about 310.9531744377.

The spelling of 30066646 in words is "thirty million, sixty-six thousand, six hundred forty-six".