3073021 has 8 divisors (see below), whose sum is σ = 3557120. Its totient is φ = 2600208.

The previous prime is 3073013. The next prime is 3073027. The reversal of 3073021 is 1203703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3073021 - 2³ = 3073013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3072986 and 3073004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3073027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2226 + ... + 3331.

It is an arithmetic number, because the mean of its divisors is an integer number (444640).

Almost surely, 2^3073021 is an apocalyptic number.

It is an amenable number.

3073021 is a deficient number, since it is larger than the sum of its proper divisors (484099).

3073021 is an equidigital number, since it uses as much as digits as its factorization.

3073021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5643.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 3073021 is about 1753.0034227006. The cubic root of 3073021 is about 145.3857505049.

Adding to 3073021 its reverse (1203703), we get a palindrome (4276724).

The spelling of 3073021 in words is "three million, seventy-three thousand, twenty-one".