66714711 has 8 divisors (see below), whose sum is σ = 101660544. Its totient is φ = 38122680.

The previous prime is 66714701. The next prime is 66714733. The reversal of 66714711 is 11741766.

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

It is not a de Polignac number, because 66714711 - 2⁵ = 66714679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66714701) 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 7 ways as a sum of consecutive naturals, for example, 1588425 + ... + 1588466.

It is an arithmetic number, because the mean of its divisors is an integer number (12707568).

Almost surely, 2^66714711 is an apocalyptic number.

66714711 is a deficient number, since it is larger than the sum of its proper divisors (34945833).

66714711 is a wasteful number, since it uses less digits than its factorization.

66714711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176901.

The product of its digits is 7056, while the sum is 33.

The square root of 66714711 is about 8167.9073819431. The cubic root of 66714711 is about 405.5775147621.

The spelling of 66714711 in words is "sixty-six million, seven hundred fourteen thousand, seven hundred eleven".