7538842 has 8 divisors (see below), whose sum is σ = 11420532. Its totient is φ = 3732000.

The previous prime is 7538827. The next prime is 7538849. The reversal of 7538842 is 2488357.

It can be written as a sum of positive squares in 2 ways, for example, as 5948721 + 1590121 = 2439^2 + 1261^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7538849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18459 + ... + 18862.

Almost surely, 2^7538842 is an apocalyptic number.

7538842 is a deficient number, since it is larger than the sum of its proper divisors (3881690).

7538842 is a wasteful number, since it uses less digits than its factorization.

7538842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37424.

The product of its digits is 53760, while the sum is 37.

The square root of 7538842 is about 2745.6951760893. The cubic root of 7538842 is about 196.0807143618.

The spelling of 7538842 in words is "seven million, five hundred thirty-eight thousand, eight hundred forty-two".