3665732 has 24 divisors (see below), whose sum is σ = 7418880. Its totient is φ = 1552320.

The previous prime is 3665731. The next prime is 3665747. The reversal of 3665732 is 2375663.

It is a d-powerful number, because it can be written as 3⁴ + 6 + 6² + 5⁹ + 7⁶ + 3¹³ + 2⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1757 + ... + 3227.

It is an arithmetic number, because the mean of its divisors is an integer number (309120).

Almost surely, 2^3665732 is an apocalyptic number.

It is an amenable number.

3665732 is an abundant number, since it is smaller than the sum of its proper divisors (3753148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3665732 is a wasteful number, since it uses less digits than its factorization.

3665732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571 (or 1569 counting only the distinct ones).

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

The square root of 3665732 is about 1914.6101430840. The cubic root of 3665732 is about 154.1890633479.

The spelling of 3665732 in words is "three million, six hundred sixty-five thousand, seven hundred thirty-two".