3665747 has 2 divisors, whose sum is σ = 3665748. Its totient is φ = 3665746.

The previous prime is 3665731. The next prime is 3665759. The reversal of 3665747 is 7475663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3665747 - 2⁴ = 3665731 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3665747.

It is not a weakly prime, because it can be changed into another prime (3665777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832873 + 1832874.

It is an arithmetic number, because the mean of its divisors is an integer number (1832874).

Almost surely, 2^3665747 is an apocalyptic number.

3665747 is a deficient number, since it is larger than the sum of its proper divisors (1).

3665747 is an equidigital number, since it uses as much as digits as its factorization.

3665747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 38.

The square root of 3665747 is about 1914.6140603265. The cubic root of 3665747 is about 154.1892736590.

The spelling of 3665747 in words is "three million, six hundred sixty-five thousand, seven hundred forty-seven".