6750638 has 16 divisors (see below), whose sum is σ = 10678176. Its totient is φ = 3194400.

The previous prime is 6750637. The next prime is 6750647. The reversal of 6750638 is 8360576.

It is a happy number.

It is a super-2 number, since 2×6750638² = 91142226814088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6750598 and 6750607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6750631) 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 in 7 ways as a sum of consecutive naturals, for example, 3920 + ... + 5372.

It is an arithmetic number, because the mean of its divisors is an integer number (667386).

Almost surely, 2^6750638 is an apocalyptic number.

6750638 is a deficient number, since it is larger than the sum of its proper divisors (3927538).

6750638 is a wasteful number, since it uses less digits than its factorization.

6750638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 6750638 is about 2598.1989916094. The cubic root of 6750638 is about 188.9941115902.

It can be divided in two parts, 67 and 50638, that added together give a palindrome (50705).

The spelling of 6750638 in words is "six million, seven hundred fifty thousand, six hundred thirty-eight".