7538045 has 4 divisors (see below), whose sum is σ = 9045660. Its totient is φ = 6030432.

The previous prime is 7538039. The next prime is 7538081. The reversal of 7538045 is 5408357.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3136441 + 4401604 = 1771^2 + 2098^2 .

It is a cyclic number.

It is not a de Polignac number, because 7538045 - 2²² = 3343741 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 753800 + ... + 753809.

It is an arithmetic number, because the mean of its divisors is an integer number (2261415).

Almost surely, 2^7538045 is an apocalyptic number.

It is an amenable number.

7538045 is a deficient number, since it is larger than the sum of its proper divisors (1507615).

7538045 is a wasteful number, since it uses less digits than its factorization.

7538045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507614.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 7538045 is about 2745.5500359673. The cubic root of 7538045 is about 196.0738042892.

The spelling of 7538045 in words is "seven million, five hundred thirty-eight thousand, forty-five".