3666743 has 2 divisors, whose sum is σ = 3666744. Its totient is φ = 3666742.

The previous prime is 3666727. The next prime is 3666757. The reversal of 3666743 is 3476663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3666743 - 2⁴ = 3666727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3666703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833371 + 1833372.

It is an arithmetic number, because the mean of its divisors is an integer number (1833372).

Almost surely, 2^3666743 is an apocalyptic number.

3666743 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666743 is an equidigital number, since it uses as much as digits as its factorization.

3666743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 35.

The square root of 3666743 is about 1914.8741473005. The cubic root of 3666743 is about 154.2032370349.

The spelling of 3666743 in words is "three million, six hundred sixty-six thousand, seven hundred forty-three".