6738944 has 22 divisors (see below), whose sum is σ = 13473354. Its totient is φ = 3368960.

The previous prime is 6738943. The next prime is 6738959. The reversal of 6738944 is 4498376.

It can be written as a sum of positive squares in only one way, i.e., 5017600 + 1721344 = 2240^2 + 1312^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6738943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2267 + ... + 4314.

Almost surely, 2^6738944 is an apocalyptic number.

6738944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6738944 is a deficient number, since it is larger than the sum of its proper divisors (6734410).

6738944 is an equidigital number, since it uses as much as digits as its factorization.

6738944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6601 (or 6583 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 6738944 is about 2595.9476111817. The cubic root of 6738944 is about 188.8849182300.

The spelling of 6738944 in words is "six million, seven hundred thirty-eight thousand, nine hundred forty-four".