7538043 has 16 divisors (see below), whose sum is σ = 10596096. Its totient is φ = 4757280.

The previous prime is 7538039. The next prime is 7538081. The reversal of 7538043 is 3408357.

It is not a de Polignac number, because 7538043 - 2² = 7538039 is a prime.

7538043 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7538043.

It is not an unprimeable number, because it can be changed into a prime (7538093) 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 in 15 ways as a sum of consecutive naturals, for example, 6873 + ... + 7893.

It is an arithmetic number, because the mean of its divisors is an integer number (662256).

Almost surely, 2^7538043 is an apocalyptic number.

7538043 is a deficient number, since it is larger than the sum of its proper divisors (3058053).

7538043 is a wasteful number, since it uses less digits than its factorization.

7538043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 7538043 is about 2745.5496717415. The cubic root of 7538043 is about 196.0737869484.

The spelling of 7538043 in words is "seven million, five hundred thirty-eight thousand, forty-three".