14720666 has 8 divisors (see below), whose sum is σ = 22097280. Its totient is φ = 7354908.

The previous prime is 14720659. The next prime is 14720711. The reversal of 14720666 is 66602741.

14720666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4055 + ... + 6773.

It is an arithmetic number, because the mean of its divisors is an integer number (2762160).

Almost surely, 2^14720666 is an apocalyptic number.

14720666 is a deficient number, since it is larger than the sum of its proper divisors (7376614).

14720666 is a wasteful number, since it uses less digits than its factorization.

14720666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 14720666 is about 3836.7520117933. The cubic root of 14720666 is about 245.0807230879.

The spelling of 14720666 in words is "fourteen million, seven hundred twenty thousand, six hundred sixty-six".