66714463 has 4 divisors (see below), whose sum is σ = 66766288. Its totient is φ = 66662640.

The previous prime is 66714451. The next prime is 66714493. The reversal of 66714463 is 36441766.

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 66714463 - 2¹³ = 66706271 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 (66714493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23931 + ... + 26572.

It is an arithmetic number, because the mean of its divisors is an integer number (16691572).

Almost surely, 2^66714463 is an apocalyptic number.

66714463 is a deficient number, since it is larger than the sum of its proper divisors (51825).

66714463 is a wasteful number, since it uses less digits than its factorization.

66714463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51824.

The product of its digits is 72576, while the sum is 37.

The square root of 66714463 is about 8167.8922005619. The cubic root of 66714463 is about 405.5770122076.

The spelling of 66714463 in words is "sixty-six million, seven hundred fourteen thousand, four hundred sixty-three".