14666720 has 48 divisors (see below), whose sum is σ = 35779968. Its totient is φ = 5675520.

The previous prime is 14666719. The next prime is 14666731. The reversal of 14666720 is 2766641.

It is a super-2 number, since 2×14666720² = 430225351116800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3482 + ... + 6438.

It is an arithmetic number, because the mean of its divisors is an integer number (745416).

Almost surely, 2^14666720 is an apocalyptic number.

14666720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14666720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17889984).

14666720 is an abundant number, since it is smaller than the sum of its proper divisors (21113248).

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

14666720 is a wasteful number, since it uses less digits than its factorization.

14666720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003 (or 2995 counting only the distinct ones).

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

The square root of 14666720 is about 3829.7153941253. The cubic root of 14666720 is about 244.7809787718.

It can be divided in two parts, 146 and 66720, that added together give a palindrome (66866).

The spelling of 14666720 in words is "fourteen million, six hundred sixty-six thousand, seven hundred twenty".