14475721 has 12 divisors (see below), whose sum is σ = 16564492. Its totient is φ = 12572928.

The previous prime is 14475719. The next prime is 14475751. The reversal of 14475721 is 12757441.

It can be written as a sum of positive squares in 6 ways, for example, as 2676496 + 11799225 = 1636^2 + 3435^2 .

It is not a de Polignac number, because 14475721 - 2¹ = 14475719 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14475751) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1831 + ... + 5683.

Almost surely, 2^14475721 is an apocalyptic number.

It is an amenable number.

14475721 is a deficient number, since it is larger than the sum of its proper divisors (2088771).

14475721 is a wasteful number, since it uses less digits than its factorization.

14475721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900 (or 3883 counting only the distinct ones).

The product of its digits is 7840, while the sum is 31.

The square root of 14475721 is about 3804.6972284270. The cubic root of 14475721 is about 243.7137701138.

The spelling of 14475721 in words is "fourteen million, four hundred seventy-five thousand, seven hundred twenty-one".