667276 has 12 divisors (see below), whose sum is σ = 1218672. Its totient is φ = 319088.

The previous prime is 667273. The next prime is 667283. The reversal of 667276 is 672766.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667273) 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, 3535 + ... + 3718.

It is an arithmetic number, because the mean of its divisors is an integer number (101556).

2⁶⁶⁷²⁷⁶ is an apocalyptic number.

It is an amenable number.

667276 is a deficient number, since it is larger than the sum of its proper divisors (551396).

667276 is a wasteful number, since it uses less digits than its factorization.

667276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280 (or 7278 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 667276 is about 816.8696346419. The cubic root of 667276 is about 87.3846534538.

The spelling of 667276 in words is "six hundred sixty-seven thousand, two hundred seventy-six".