7440163 has 2 divisors, whose sum is σ = 7440164. Its totient is φ = 7440162.

The previous prime is 7440151. The next prime is 7440187. The reversal of 7440163 is 3610447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7440163 - 2⁹ = 7439651 is a prime.

It is not a weakly prime, because it can be changed into another prime (7440113) 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, 3720081 + 3720082.

It is an arithmetic number, because the mean of its divisors is an integer number (3720082).

Almost surely, 2^7440163 is an apocalyptic number.

7440163 is a deficient number, since it is larger than the sum of its proper divisors (1).

7440163 is an equidigital number, since it uses as much as digits as its factorization.

7440163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 7440163 is about 2727.6662185832. Note that the first 3 decimals coincide. The cubic root of 7440163 is about 195.2214271891.

The spelling of 7440163 in words is "seven million, four hundred forty thousand, one hundred sixty-three".