3733561 has 8 divisors (see below), whose sum is σ = 4114880. Its totient is φ = 3365712.

The previous prime is 3733549. The next prime is 3733607. The reversal of 3733561 is 1653373.

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

It is a cyclic number.

It is not a de Polignac number, because 3733561 - 2⁹ = 3733049 is a prime.

It is a Duffinian number.

3733561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3733511) 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, 2781 + ... + 3898.

It is an arithmetic number, because the mean of its divisors is an integer number (514360).

Almost surely, 2^3733561 is an apocalyptic number.

It is an amenable number.

3733561 is a deficient number, since it is larger than the sum of its proper divisors (381319).

3733561 is a wasteful number, since it uses less digits than its factorization.

3733561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6735.

The product of its digits is 5670, while the sum is 28.

The square root of 3733561 is about 1932.2424796076. The cubic root of 3733561 is about 155.1342714419.

The spelling of 3733561 in words is "three million, seven hundred thirty-three thousand, five hundred sixty-one".