3725729 has 16 divisors (see below), whose sum is σ = 4540800. Its totient is φ = 2985984.

The previous prime is 3725713. The next prime is 3725731. The reversal of 3725729 is 9275273.

3725729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3725729 - 2⁴ = 3725713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3725759) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14369 + ... + 14625.

It is an arithmetic number, because the mean of its divisors is an integer number (283800).

Almost surely, 2^3725729 is an apocalyptic number.

It is an amenable number.

3725729 is a deficient number, since it is larger than the sum of its proper divisors (815071).

3725729 is a wasteful number, since it uses less digits than its factorization.

3725729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its digits is 26460, while the sum is 35.

The square root of 3725729 is about 1930.2147548913. The cubic root of 3725729 is about 155.0257189373.

The spelling of 3725729 in words is "three million, seven hundred twenty-five thousand, seven hundred twenty-nine".