3665273 has 4 divisors (see below), whose sum is σ = 3677520. Its totient is φ = 3653028.

The previous prime is 3665267. The next prime is 3665279. The reversal of 3665273 is 3725663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3665267) and next prime (3665279).

It is a cyclic number.

It is not a de Polignac number, because 3665273 - 2⁸ = 3665017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3665279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5663 + ... + 6276.

It is an arithmetic number, because the mean of its divisors is an integer number (919380).

Almost surely, 2^3665273 is an apocalyptic number.

It is an amenable number.

3665273 is a deficient number, since it is larger than the sum of its proper divisors (12247).

3665273 is a wasteful number, since it uses less digits than its factorization.

3665273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246.

The product of its digits is 22680, while the sum is 32.

The square root of 3665273 is about 1914.4902715867. The cubic root of 3665273 is about 154.1826275497.

The spelling of 3665273 in words is "three million, six hundred sixty-five thousand, two hundred seventy-three".