3320745 has 16 divisors (see below), whose sum is σ = 5365440. Its totient is φ = 1753664.

The previous prime is 3320699. The next prime is 3320749. The reversal of 3320745 is 5470233.

It is a cyclic number.

It is not a de Polignac number, because 3320745 - 2¹⁴ = 3304361 is a prime.

It is a super-2 number, since 2×3320745² = 22054694710050, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3320749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571 + ... + 2639.

It is an arithmetic number, because the mean of its divisors is an integer number (335340).

Almost surely, 2^3320745 is an apocalyptic number.

It is an amenable number.

3320745 is a deficient number, since it is larger than the sum of its proper divisors (2044695).

3320745 is a wasteful number, since it uses less digits than its factorization.

3320745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 3320745 is about 1822.2911402956. The cubic root of 3320745 is about 149.1918762812.

Adding to 3320745 its reverse (5470233), we get a palindrome (8790978).

The spelling of 3320745 in words is "three million, three hundred twenty thousand, seven hundred forty-five".