3040073 has 4 divisors (see below), whose sum is σ = 3045840. Its totient is φ = 3034308.

The previous prime is 3040061. The next prime is 3040087. The reversal of 3040073 is 3700403.

3040073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3700403 = 7 ⋅528629.

It is a cyclic number.

It is not a de Polignac number, because 3040073 - 2¹⁴ = 3023689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3040003) 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 3 ways as a sum of consecutive naturals, for example, 2003 + ... + 3176.

It is an arithmetic number, because the mean of its divisors is an integer number (761460).

Almost surely, 2^3040073 is an apocalyptic number.

It is an amenable number.

3040073 is a deficient number, since it is larger than the sum of its proper divisors (5767).

3040073 is an equidigital number, since it uses as much as digits as its factorization.

3040073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 3040073 is about 1743.5805114763. The cubic root of 3040073 is about 144.8642883999.

Adding to 3040073 its reverse (3700403), we get a palindrome (6740476).

The spelling of 3040073 in words is "three million, forty thousand, seventy-three".