2671667 has 2 divisors, whose sum is σ = 2671668. Its totient is φ = 2671666.

The previous prime is 2671663. The next prime is 2671679. The reversal of 2671667 is 7661762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2671667 - 2² = 2671663 is a prime.

It is not a weakly prime, because it can be changed into another prime (2671661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335833 + 1335834.

It is an arithmetic number, because the mean of its divisors is an integer number (1335834).

2^2671667 is an apocalyptic number.

2671667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2671667 is an equidigital number, since it uses as much as digits as its factorization.

2671667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 2671667 is about 1634.5234779592. The cubic root of 2671667 is about 138.7588766877.

The spelling of 2671667 in words is "two million, six hundred seventy-one thousand, six hundred sixty-seven".