3705565 has 8 divisors (see below), whose sum is σ = 4462848. Its totient is φ = 2953680.

The previous prime is 3705521. The next prime is 3705593. The reversal of 3705565 is 5655073.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3705565 is a prime.

It is a Duffinian number.

3705565 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364 + ... + 2746.

It is an arithmetic number, because the mean of its divisors is an integer number (557856).

Almost surely, 2^3705565 is an apocalyptic number.

It is an amenable number.

3705565 is a deficient number, since it is larger than the sum of its proper divisors (757283).

3705565 is a wasteful number, since it uses less digits than its factorization.

3705565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 3705565 is about 1924.9844155213. The cubic root of 3705565 is about 154.7455415629.

The spelling of 3705565 in words is "three million, seven hundred five thousand, five hundred sixty-five".