3725720 has 32 divisors (see below), whose sum is σ = 8877600. Its totient is φ = 1402368.

The previous prime is 3725713. The next prime is 3725731. The reversal of 3725720 is 275273.

3725720 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3725720.

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, 2060 + ... + 3419.

It is an arithmetic number, because the mean of its divisors is an integer number (277425).

Almost surely, 2^3725720 is an apocalyptic number.

It is an amenable number.

3725720 is an abundant number, since it is smaller than the sum of its proper divisors (5151880).

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

3725720 is a wasteful number, since it uses less digits than its factorization.

3725720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507 (or 5503 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 3725720 is about 1930.2124235431. The cubic root of 3725720 is about 155.0255941087.

The spelling of 3725720 in words is "three million, seven hundred twenty-five thousand, seven hundred twenty".