7538426 has 16 divisors (see below), whose sum is σ = 12963840. Its totient is φ = 3220560.

The previous prime is 7538423. The next prime is 7538449. The reversal of 7538426 is 6248357.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7538423) 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 7 ways as a sum of consecutive naturals, for example, 5255 + ... + 6533.

It is an arithmetic number, because the mean of its divisors is an integer number (810240).

Almost surely, 2^7538426 is an apocalyptic number.

7538426 is a deficient number, since it is larger than the sum of its proper divisors (5425414).

7538426 is a wasteful number, since it uses less digits than its factorization.

7538426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709.

The product of its digits is 40320, while the sum is 35.

The square root of 7538426 is about 2745.6194200945. The cubic root of 7538426 is about 196.0771076594.

The spelling of 7538426 in words is "seven million, five hundred thirty-eight thousand, four hundred twenty-six".