3613072 has 20 divisors (see below), whose sum is σ = 7036876. Its totient is φ = 1797120.

The previous prime is 3613039. The next prime is 3613079. The reversal of 3613072 is 2703163.

It can be written as a sum of positive squares in 2 ways, for example, as 1290496 + 2322576 = 1136^2 + 1524^2 .

It is not an unprimeable number, because it can be changed into a prime (3613079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3388 + ... + 4324.

Almost surely, 2^3613072 is an apocalyptic number.

It is an amenable number.

3613072 is a deficient number, since it is larger than the sum of its proper divisors (3423804).

3613072 is a wasteful number, since it uses less digits than its factorization.

3613072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 3613072 is about 1900.8082491403. The cubic root of 3613072 is about 153.4471660487.

Subtracting from 3613072 its reverse (2703163), we obtain a palindrome (909909).

The spelling of 3613072 in words is "three million, six hundred thirteen thousand, seventy-two".