66796307 has 2 divisors, whose sum is σ = 66796308. Its totient is φ = 66796306.

The previous prime is 66796277. The next prime is 66796321. The reversal of 66796307 is 70369766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66796307 - 2¹⁰ = 66795283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (66796337) 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, 33398153 + 33398154.

It is an arithmetic number, because the mean of its divisors is an integer number (33398154).

Almost surely, 2^66796307 is an apocalyptic number.

66796307 is a deficient number, since it is larger than the sum of its proper divisors (1).

66796307 is an equidigital number, since it uses as much as digits as its factorization.

66796307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 66796307 is about 8172.9007702284. The cubic root of 66796307 is about 405.7427957514.

The spelling of 66796307 in words is "sixty-six million, seven hundred ninety-six thousand, three hundred seven".