672667 has 2 divisors, whose sum is σ = 672668. Its totient is φ = 672666.

The previous prime is 672653. The next prime is 672703. The reversal of 672667 is 766276.

672667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 672667 - 2¹¹ = 670619 is a prime.

It is not a weakly prime, because it can be changed into another prime (672167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336333 + 336334.

It is an arithmetic number, because the mean of its divisors is an integer number (336334).

2⁶⁷²⁶⁶⁷ is an apocalyptic number.

672667 is a deficient number, since it is larger than the sum of its proper divisors (1).

672667 is an equidigital number, since it uses as much as digits as its factorization.

672667 is an evil number, because the sum of its binary digits is even.

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

The square root of 672667 is about 820.1627887194. The cubic root of 672667 is about 87.6193527713.

The spelling of 672667 in words is "six hundred seventy-two thousand, six hundred sixty-seven".