3781725 has 12 divisors (see below), whose sum is σ = 6252576. Its totient is φ = 2016880.

The previous prime is 3781711. The next prime is 3781727. The reversal of 3781725 is 5271873.

It is not a de Polignac number, because 3781725 - 2⁹ = 3781213 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25137 + ... + 25286.

It is an arithmetic number, because the mean of its divisors is an integer number (521048).

Almost surely, 2^3781725 is an apocalyptic number.

It is an amenable number.

3781725 is a deficient number, since it is larger than the sum of its proper divisors (2470851).

3781725 is a wasteful number, since it uses less digits than its factorization.

3781725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50436 (or 50431 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 3781725 is about 1944.6657810534. The cubic root of 3781725 is about 155.7985153575.

The spelling of 3781725 in words is "three million, seven hundred eighty-one thousand, seven hundred twenty-five".