30664066 has 8 divisors (see below), whose sum is σ = 46060560. Its totient is φ = 15310548.

The previous prime is 30664063. The next prime is 30664079. The reversal of 30664066 is 66046603.

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

It is not an unprimeable number, because it can be changed into a prime (30664063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8896 + ... + 11851.

It is an arithmetic number, because the mean of its divisors is an integer number (5757570).

Almost surely, 2^30664066 is an apocalyptic number.

30664066 is a deficient number, since it is larger than the sum of its proper divisors (15396494).

30664066 is a wasteful number, since it uses less digits than its factorization.

30664066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21488.

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

The square root of 30664066 is about 5537.5144243604. The cubic root of 30664066 is about 312.9992140351. Note that the first 3 decimals are identical.

The spelling of 30664066 in words is "thirty million, six hundred sixty-four thousand, sixty-six".