667027 has 4 divisors (see below), whose sum is σ = 688576. Its totient is φ = 645480.

The previous prime is 667021. The next prime is 667081. The reversal of 667027 is 720766.

667027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 667027 - 2³ = 667019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 666986 and 667004.

It is not an unprimeable number, because it can be changed into a prime (667021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10728 + ... + 10789.

It is an arithmetic number, because the mean of its divisors is an integer number (172144).

2⁶⁶⁷⁰²⁷ is an apocalyptic number.

667027 is a deficient number, since it is larger than the sum of its proper divisors (21549).

667027 is a wasteful number, since it uses less digits than its factorization.

667027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21548.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 667027 is about 816.7172093203. The cubic root of 667027 is about 87.3737826469.

The spelling of 667027 in words is "six hundred sixty-seven thousand, twenty-seven".