36661727 has 2 divisors, whose sum is σ = 36661728. Its totient is φ = 36661726.

The previous prime is 36661721. The next prime is 36661753. The reversal of 36661727 is 72716663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36661727 - 2⁴ = 36661711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36661721) 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 as a sum of consecutive naturals, namely, 18330863 + 18330864.

It is an arithmetic number, because the mean of its divisors is an integer number (18330864).

Almost surely, 2^36661727 is an apocalyptic number.

36661727 is a deficient number, since it is larger than the sum of its proper divisors (1).

36661727 is an equidigital number, since it uses as much as digits as its factorization.

36661727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 38.

The square root of 36661727 is about 6054.8928149060. The cubic root of 36661727 is about 332.2035785102.

The spelling of 36661727 in words is "thirty-six million, six hundred sixty-one thousand, seven hundred twenty-seven".