667075337 has 2 divisors, whose sum is σ = 667075338. Its totient is φ = 667075336.

The previous prime is 667075333. The next prime is 667075349. The reversal of 667075337 is 733570766.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413756281 + 253319056 = 20341^2 + 15916^2 .

It is a cyclic number.

It is not a de Polignac number, because 667075337 - 2² = 667075333 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (667075333) 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, 333537668 + 333537669.

It is an arithmetic number, because the mean of its divisors is an integer number (333537669).

Almost surely, 2^667075337 is an apocalyptic number.

It is an amenable number.

667075337 is a deficient number, since it is larger than the sum of its proper divisors (1).

667075337 is an equidigital number, since it uses as much as digits as its factorization.

667075337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 555660, while the sum is 44.

The square root of 667075337 is about 25827.8016292521. The cubic root of 667075337 is about 873.7589314841.

The spelling of 667075337 in words is "six hundred sixty-seven million, seventy-five thousand, three hundred thirty-seven".