3604725 has 36 divisors (see below), whose sum is σ = 6646276. Its totient is φ = 1866240.

The previous prime is 3604717. The next prime is 3604747. The reversal of 3604725 is 5274063.

It is a happy number.

3604725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 66564 + 3538161 = 258^2 + 1881^2 .

It is not a de Polignac number, because 3604725 - 2³ = 3604717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8109 + ... + 8541.

Almost surely, 2^3604725 is an apocalyptic number.

It is an amenable number.

3604725 is a deficient number, since it is larger than the sum of its proper divisors (3041551).

3604725 is a wasteful number, since it uses less digits than its factorization.

3604725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 3604725 is about 1898.6113346338. The cubic root of 3604725 is about 153.3289092401.

Adding to 3604725 its reverse (5274063), we get a palindrome (8878788).

The spelling of 3604725 in words is "three million, six hundred four thousand, seven hundred twenty-five".