3074021 has 2 divisors, whose sum is σ = 3074022. Its totient is φ = 3074020.

The previous prime is 3074011. The next prime is 3074023. The reversal of 3074021 is 1204703.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1600225 + 1473796 = 1265^2 + 1214^2 .

It is a cyclic number.

It is not a de Polignac number, because 3074021 - 2¹⁸ = 2811877 is a prime.

Together with 3074023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3074023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1537010 + 1537011.

It is an arithmetic number, because the mean of its divisors is an integer number (1537011).

Almost surely, 2^3074021 is an apocalyptic number.

It is an amenable number.

3074021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3074021 is an equidigital number, since it uses as much as digits as its factorization.

3074021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 3074021 is about 1753.2886242715. The cubic root of 3074021 is about 145.4015189169.

Adding to 3074021 its reverse (1204703), we get a palindrome (4278724).

The spelling of 3074021 in words is "three million, seventy-four thousand, twenty-one".