14066720 has 24 divisors (see below), whose sum is σ = 33233004. Its totient is φ = 5626624.

The previous prime is 14066699. The next prime is 14066747. The reversal of 14066720 is 2766041.

It can be written as a sum of positive squares in 2 ways, for example, as 13808656 + 258064 = 3716^2 + 508^2 .

It is a super-2 number, since 2×14066720² = 395745223116800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14066720.

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, 43799 + ... + 44118.

Almost surely, 2^14066720 is an apocalyptic number.

14066720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14066720 is an abundant number, since it is smaller than the sum of its proper divisors (19166284).

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

14066720 is an equidigital number, since it uses as much as digits as its factorization.

14066720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87932 (or 87924 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 14066720 is about 3750.5626244605. The cubic root of 14066720 is about 241.3964881230.

The spelling of 14066720 in words is "fourteen million, sixty-six thousand, seven hundred twenty".