14640975 has 18 divisors (see below), whose sum is σ = 26224016. Its totient is φ = 7808400.

The previous prime is 14640931. The next prime is 14640979. The reversal of 14640975 is 57904641.

14640975 is a `hidden beast` number, since 1 + 4 + 640 + 9 + 7 + 5 = 666.

It is not a de Polignac number, because 14640975 - 2¹⁰ = 14639951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14640979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32311 + ... + 32760.

Almost surely, 2^14640975 is an apocalyptic number.

14640975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14640975 is a deficient number, since it is larger than the sum of its proper divisors (11583041).

14640975 is a wasteful number, since it uses less digits than its factorization.

14640975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65087 (or 65079 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 14640975 is about 3826.3527019866. The cubic root of 14640975 is about 244.6376707201.

The spelling of 14640975 in words is "fourteen million, six hundred forty thousand, nine hundred seventy-five".