29966666 has 8 divisors (see below), whose sum is σ = 45304320. Its totient is φ = 14865228.

The previous prime is 29966659. The next prime is 29966669. The reversal of 29966666 is 66666992.

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

29966666 is a modest number, since divided by 6666 gives 2996 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29966669) 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, 58736 + ... + 59243.

It is an arithmetic number, because the mean of its divisors is an integer number (5663040).

Almost surely, 2^29966666 is an apocalyptic number.

29966666 is a deficient number, since it is larger than the sum of its proper divisors (15337654).

29966666 is a wasteful number, since it uses less digits than its factorization.

29966666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118108.

The product of its digits is 1259712, while the sum is 50.

The square root of 29966666 is about 5474.1817653417. The cubic root of 29966666 is about 310.6081229571.

The spelling of 29966666 in words is "twenty-nine million, nine hundred sixty-six thousand, six hundred sixty-six".