3721673 has 2 divisors, whose sum is σ = 3721674. Its totient is φ = 3721672.

The previous prime is 3721631. The next prime is 3721717. The reversal of 3721673 is 3761273.

3721673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3717184 + 4489 = 1928^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 3721673 - 2¹⁰ = 3720649 is a prime.

It is not a weakly prime, because it can be changed into another prime (3721603) 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 as a sum of consecutive naturals, namely, 1860836 + 1860837.

It is an arithmetic number, because the mean of its divisors is an integer number (1860837).

Almost surely, 2^3721673 is an apocalyptic number.

It is an amenable number.

3721673 is a deficient number, since it is larger than the sum of its proper divisors (1).

3721673 is an equidigital number, since it uses as much as digits as its factorization.

3721673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 29.

The square root of 3721673 is about 1929.1638084932. The cubic root of 3721673 is about 154.9694424673.

The spelling of 3721673 in words is "three million, seven hundred twenty-one thousand, six hundred seventy-three".