66932923 has 2 divisors, whose sum is σ = 66932924. Its totient is φ = 66932922.

The previous prime is 66932909. The next prime is 66932939. The reversal of 66932923 is 32923966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66932923 - 2⁵ = 66932891 is a prime.

It is not a weakly prime, because it can be changed into another prime (66932023) 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, 33466461 + 33466462.

It is an arithmetic number, because the mean of its divisors is an integer number (33466462).

Almost surely, 2^66932923 is an apocalyptic number.

66932923 is a deficient number, since it is larger than the sum of its proper divisors (1).

66932923 is an equidigital number, since it uses as much as digits as its factorization.

66932923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 40.

The square root of 66932923 is about 8181.2543659270. The cubic root of 66932923 is about 406.0192242590.

The spelling of 66932923 in words is "sixty-six million, nine hundred thirty-two thousand, nine hundred twenty-three".