14640769 has 16 divisors (see below), whose sum is σ = 17607744. Its totient is φ = 11995200.

The previous prime is 14640761. The next prime is 14640781. The reversal of 14640769 is 96704641.

It is a cyclic number.

It is not a de Polignac number, because 14640769 - 2³ = 14640761 is a prime.

It is a super-2 number, since 2×14640769² = 428704233822722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14640761) 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 15 ways as a sum of consecutive naturals, for example, 4959 + ... + 7339.

It is an arithmetic number, because the mean of its divisors is an integer number (1100484).

Almost surely, 2^14640769 is an apocalyptic number.

It is an amenable number.

14640769 is a deficient number, since it is larger than the sum of its proper divisors (2966975).

14640769 is a wasteful number, since it uses less digits than its factorization.

14640769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 14640769 is about 3826.3257833070. The cubic root of 14640769 is about 244.6365233558.

The spelling of 14640769 in words is "fourteen million, six hundred forty thousand, seven hundred sixty-nine".