14427666 has 64 divisors (see below), whose sum is σ = 35458560. Its totient is φ = 4312080.

The previous prime is 14427653. The next prime is 14427671. The reversal of 14427666 is 66672441.

It is a self number, because there is not a number n which added to its sum of digits gives 14427666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63445 + ... + 63671.

It is an arithmetic number, because the mean of its divisors is an integer number (554040).

Almost surely, 2^14427666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14427666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17729280).

14427666 is an abundant number, since it is smaller than the sum of its proper divisors (21030894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14427666 is a wasteful number, since it uses less digits than its factorization.

14427666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 350 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 14427666 is about 3798.3767585641. The cubic root of 14427666 is about 243.4437858898.

The spelling of 14427666 in words is "fourteen million, four hundred twenty-seven thousand, six hundred sixty-six".