66727343 has 2 divisors, whose sum is σ = 66727344. Its totient is φ = 66727342.

The previous prime is 66727337. The next prime is 66727379. The reversal of 66727343 is 34372766.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66727343 - 2⁴ = 66727327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66727297 and 66727306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66727303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33363671 + 33363672.

It is an arithmetic number, because the mean of its divisors is an integer number (33363672).

Almost surely, 2^66727343 is an apocalyptic number.

66727343 is a deficient number, since it is larger than the sum of its proper divisors (1).

66727343 is an equidigital number, since it uses as much as digits as its factorization.

66727343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 38.

The square root of 66727343 is about 8168.6806156196. The cubic root of 66727343 is about 405.6031109751.

The spelling of 66727343 in words is "sixty-six million, seven hundred twenty-seven thousand, three hundred forty-three".