30056666 has 8 divisors (see below), whose sum is σ = 45179040. Its totient is φ = 14996988.

The previous prime is 30056659. The next prime is 30056681. The reversal of 30056666 is 66665003.

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

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, 14456 + ... + 16403.

It is an arithmetic number, because the mean of its divisors is an integer number (5647380).

Almost surely, 2^30056666 is an apocalyptic number.

30056666 is a deficient number, since it is larger than the sum of its proper divisors (15122374).

30056666 is a wasteful number, since it uses less digits than its factorization.

30056666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31348.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 30056666 is about 5482.3960090457. The cubic root of 30056666 is about 310.9187658098.

The spelling of 30056666 in words is "thirty million, fifty-six thousand, six hundred sixty-six".