66714277 has 8 divisors (see below), whose sum is σ = 76334400. Its totient is φ = 57116544.

The previous prime is 66714269. The next prime is 66714281. The reversal of 66714277 is 77241766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66714277 - 2³ = 66714269 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 (66714217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1374 + ... + 11632.

It is an arithmetic number, because the mean of its divisors is an integer number (9541800).

Almost surely, 2^66714277 is an apocalyptic number.

It is an amenable number.

66714277 is a deficient number, since it is larger than the sum of its proper divisors (9620123).

66714277 is a wasteful number, since it uses less digits than its factorization.

66714277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11195.

The product of its digits is 98784, while the sum is 40.

The square root of 66714277 is about 8167.8808145075. The cubic root of 66714277 is about 405.5766352908.

The spelling of 66714277 in words is "sixty-six million, seven hundred fourteen thousand, two hundred seventy-seven".