14066672720 has 40 divisors (see below), whose sum is σ = 33832778760. Its totient is φ = 5432645120.

The previous prime is 14066672693. The next prime is 14066672759. The reversal of 14066672720 is 2727666041.

It can be written as a sum of positive squares in 4 ways, for example, as 1879395904 + 12187276816 = 43352^2 + 110396^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3029291 + ... + 3033930.

It is an arithmetic number, because the mean of its divisors is an integer number (845819469).

Almost surely, 2^14066672720 is an apocalyptic number.

14066672720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14066672720 is an abundant number, since it is smaller than the sum of its proper divisors (19766106040).

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

14066672720 is a wasteful number, since it uses less digits than its factorization.

14066672720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6063263 (or 6063257 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 14066672720 in words is "fourteen billion, sixty-six million, six hundred seventy-two thousand, seven hundred twenty".