66727127 has 8 divisors (see below), whose sum is σ = 67780800. Its totient is φ = 65680384.

The previous prime is 66727121. The next prime is 66727139. The reversal of 66727127 is 72172766.

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 66727127 - 2⁸ = 66726871 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 (66727121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19703 + ... + 22839.

It is an arithmetic number, because the mean of its divisors is an integer number (8472600).

Almost surely, 2^66727127 is an apocalyptic number.

66727127 is a deficient number, since it is larger than the sum of its proper divisors (1053673).

66727127 is a wasteful number, since it uses less digits than its factorization.

66727127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465.

The product of its digits is 49392, while the sum is 38.

The square root of 66727127 is about 8168.6673943796. The cubic root of 66727127 is about 405.6026733216.

The spelling of 66727127 in words is "sixty-six million, seven hundred twenty-seven thousand, one hundred twenty-seven".