66714263 has 32 divisors (see below), whose sum is σ = 90439680. Its totient is φ = 47628000.

The previous prime is 66714253. The next prime is 66714269. The reversal of 66714263 is 36241766.

It is not a de Polignac number, because 66714263 - 2¹² = 66710167 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 (66714269) 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 31 ways as a sum of consecutive naturals, for example, 44618 + ... + 46088.

It is an arithmetic number, because the mean of its divisors is an integer number (2826240).

Almost surely, 2^66714263 is an apocalyptic number.

66714263 is a deficient number, since it is larger than the sum of its proper divisors (23725417).

66714263 is a wasteful number, since it uses less digits than its factorization.

66714263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539.

The product of its digits is 36288, while the sum is 35.

The square root of 66714263 is about 8167.8799574920. The cubic root of 66714263 is about 405.5766069207.

The spelling of 66714263 in words is "sixty-six million, seven hundred fourteen thousand, two hundred sixty-three".