3665773 has 4 divisors (see below), whose sum is σ = 3693888. Its totient is φ = 3637660.

The previous prime is 3665759. The next prime is 3665777. The reversal of 3665773 is 3775663.

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 a cyclic number.

It is not a de Polignac number, because 3665773 - 2⁹ = 3665261 is a prime.

It is a d-powerful number, because it can be written as 3⁴ + 6² + 6³ + 5⁹ + 7³ + 7⁶ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13861 + ... + 14122.

It is an arithmetic number, because the mean of its divisors is an integer number (923472).

Almost surely, 2^3665773 is an apocalyptic number.

It is an amenable number.

3665773 is a deficient number, since it is larger than the sum of its proper divisors (28115).

3665773 is a wasteful number, since it uses less digits than its factorization.

3665773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28114.

The product of its digits is 79380, while the sum is 37.

The square root of 3665773 is about 1914.6208501946. The cubic root of 3665773 is about 154.1896381970.

The spelling of 3665773 in words is "three million, six hundred sixty-five thousand, seven hundred seventy-three".