3725620 has 24 divisors (see below), whose sum is σ = 7900200. Its totient is φ = 1475712.

The previous prime is 3725597. The next prime is 3725651. The reversal of 3725620 is 265273.

3725620 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 4 ways, for example, as 236196 + 3489424 = 486^2 + 1868^2 .

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 7 ways as a sum of consecutive naturals, for example, 1326 + ... + 3034.

It is an arithmetic number, because the mean of its divisors is an integer number (329175).

Almost surely, 2^3725620 is an apocalyptic number.

It is an amenable number.

3725620 is an abundant number, since it is smaller than the sum of its proper divisors (4174580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3725620 is a wasteful number, since it uses less digits than its factorization.

3725620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 3725620 is about 1930.1865194846. The cubic root of 3725620 is about 155.0242071107.

The spelling of 3725620 in words is "three million, seven hundred twenty-five thousand, six hundred twenty".