66049727 has 2 divisors, whose sum is σ = 66049728. Its totient is φ = 66049726.

The previous prime is 66049717. The next prime is 66049741. The reversal of 66049727 is 72794066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66049727 - 2¹² = 66045631 is a prime.

It is a Chen prime.

It is equal to p_3898913 and since 66049727 and 3898913 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66049717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33024863 + 33024864.

It is an arithmetic number, because the mean of its divisors is an integer number (33024864).

Almost surely, 2^66049727 is an apocalyptic number.

66049727 is a deficient number, since it is larger than the sum of its proper divisors (1).

66049727 is an equidigital number, since it uses as much as digits as its factorization.

66049727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 66049727 is about 8127.0983136664. The cubic root of 66049727 is about 404.2254708973.

The spelling of 66049727 in words is "sixty-six million, forty-nine thousand, seven hundred twenty-seven".