3781673 has 12 divisors (see below), whose sum is σ = 4465152. Its totient is φ = 3192840.

The previous prime is 3781669. The next prime is 3781691. The reversal of 3781673 is 3761873.

3781673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3781673 - 2² = 3781669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3781643) 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 11 ways as a sum of consecutive naturals, for example, 2936 + ... + 4022.

It is an arithmetic number, because the mean of its divisors is an integer number (372096).

Almost surely, 2^3781673 is an apocalyptic number.

It is an amenable number.

3781673 is a deficient number, since it is larger than the sum of its proper divisors (683479).

3781673 is a wasteful number, since it uses less digits than its factorization.

3781673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172 (or 1165 counting only the distinct ones).

The product of its digits is 21168, while the sum is 35.

The square root of 3781673 is about 1944.6524111008. The cubic root of 3781673 is about 155.7978012601.

The spelling of 3781673 in words is "three million, seven hundred eighty-one thousand, six hundred seventy-three".