667327 has 4 divisors (see below), whose sum is σ = 672336. Its totient is φ = 662320.

The previous prime is 667321. The next prime is 667333. The reversal of 667327 is 723766.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (667321) and next prime (667333).

It is a cyclic number.

It is not a de Polignac number, because 667327 - 2¹¹ = 665279 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 6 + 6 + 3¹² + 7⁴ + 2¹⁷ + 7⁴ .

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 667327.

It is not an unprimeable number, because it can be changed into a prime (667321) 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 in 3 ways as a sum of consecutive naturals, for example, 2299 + ... + 2572.

It is an arithmetic number, because the mean of its divisors is an integer number (168084).

2⁶⁶⁷³²⁷ is an apocalyptic number.

667327 is a deficient number, since it is larger than the sum of its proper divisors (5009).

667327 is a wasteful number, since it uses less digits than its factorization.

667327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008.

The product of its digits is 10584, while the sum is 31.

The square root of 667327 is about 816.9008507769. The cubic root of 667327 is about 87.3868796710.

The spelling of 667327 in words is "six hundred sixty-seven thousand, three hundred twenty-seven".