66714383 has 4 divisors (see below), whose sum is σ = 66731928. Its totient is φ = 66696840.

The previous prime is 66714353. The next prime is 66714397. The reversal of 66714383 is 38341766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66714383 - 2⁸ = 66714127 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 (66714353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413 + ... + 11558.

It is an arithmetic number, because the mean of its divisors is an integer number (16682982).

Almost surely, 2^66714383 is an apocalyptic number.

66714383 is a deficient number, since it is larger than the sum of its proper divisors (17545).

66714383 is a wasteful number, since it uses less digits than its factorization.

66714383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17544.

The product of its digits is 72576, while the sum is 38.

The square root of 66714383 is about 8167.8873033362. The cubic root of 66714383 is about 405.5768500929.

The spelling of 66714383 in words is "sixty-six million, seven hundred fourteen thousand, three hundred eighty-three".