6744406 has 16 divisors (see below), whose sum is σ = 10420416. Its totient is φ = 3272256.

The previous prime is 6744403. The next prime is 6744407. The reversal of 6744406 is 6044476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6744403) 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, 14530 + ... + 14986.

It is an arithmetic number, because the mean of its divisors is an integer number (651276).

Almost surely, 2^6744406 is an apocalyptic number.

6744406 is a deficient number, since it is larger than the sum of its proper divisors (3676010).

6744406 is a wasteful number, since it uses less digits than its factorization.

6744406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 6744406 is about 2596.9994224104. Note that the first 3 decimals coincide. The cubic root of 6744406 is about 188.9359356602.

The spelling of 6744406 in words is "six million, seven hundred forty-four thousand, four hundred six".