14640775 has 12 divisors (see below), whose sum is σ = 18229984. Its totient is φ = 11664000.

The previous prime is 14640761. The next prime is 14640781. The reversal of 14640775 is 57704641.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-14640775 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14640775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5695 + ... + 7855.

Almost surely, 2^14640775 is an apocalyptic number.

14640775 is a deficient number, since it is larger than the sum of its proper divisors (3589209).

14640775 is a wasteful number, since it uses less digits than its factorization.

14640775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442 (or 2437 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 14640775 is about 3826.3265673489. The cubic root of 14640775 is about 244.6365567743.

The spelling of 14640775 in words is "fourteen million, six hundred forty thousand, seven hundred seventy-five".