667230307 has 2 divisors, whose sum is σ = 667230308. Its totient is φ = 667230306.

The previous prime is 667230301. The next prime is 667230323. The reversal of 667230307 is 703032766.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667230307 - 2²³ = 658841699 is a prime.

It is a super-3 number, since 3×667230307³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (667230301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333615153 + 333615154.

It is an arithmetic number, because the mean of its divisors is an integer number (333615154).

Almost surely, 2^667230307 is an apocalyptic number.

667230307 is a deficient number, since it is larger than the sum of its proper divisors (1).

667230307 is an equidigital number, since it uses as much as digits as its factorization.

667230307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 667230307 is about 25830.8015167939. The cubic root of 667230307 is about 873.8265879790.

The spelling of 667230307 in words is "six hundred sixty-seven million, two hundred thirty thousand, three hundred seven".