3667723 has 2 divisors, whose sum is σ = 3667724. Its totient is φ = 3667722.

The previous prime is 3667721. The next prime is 3667751. The reversal of 3667723 is 3277663.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3667723 - 2¹ = 3667721 is a prime.

Together with 3667721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3667721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833861 + 1833862.

It is an arithmetic number, because the mean of its divisors is an integer number (1833862).

Almost surely, 2^3667723 is an apocalyptic number.

3667723 is a deficient number, since it is larger than the sum of its proper divisors (1).

3667723 is an equidigital number, since it uses as much as digits as its factorization.

3667723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 34.

The square root of 3667723 is about 1915.1300216957. The cubic root of 3667723 is about 154.2169736318.

The spelling of 3667723 in words is "three million, six hundred sixty-seven thousand, seven hundred twenty-three".