3870073 has 2 divisors, whose sum is σ = 3870074. Its totient is φ = 3870072.

The previous prime is 3870059. The next prime is 3870077. The reversal of 3870073 is 3700783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2782224 + 1087849 = 1668^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 3870073 - 2⁹ = 3869561 is a prime.

It is not a weakly prime, because it can be changed into another prime (3870077) 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 as a sum of consecutive naturals, namely, 1935036 + 1935037.

It is an arithmetic number, because the mean of its divisors is an integer number (1935037).

Almost surely, 2^3870073 is an apocalyptic number.

It is an amenable number.

3870073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870073 is an equidigital number, since it uses as much as digits as its factorization.

3870073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 3870073 is about 1967.2501111958. The cubic root of 3870073 is about 157.0024341381.

The spelling of 3870073 in words is "three million, eight hundred seventy thousand, seventy-three".