6744431 has 2 divisors, whose sum is σ = 6744432. Its totient is φ = 6744430.

The previous prime is 6744407. The next prime is 6744433. The reversal of 6744431 is 1344476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6744431 - 2¹⁴ = 6728047 is a prime.

It is a super-3 number, since 3×6744431³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

Together with 6744433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6744394 and 6744403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6744433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3372215 + 3372216.

It is an arithmetic number, because the mean of its divisors is an integer number (3372216).

Almost surely, 2^6744431 is an apocalyptic number.

6744431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6744431 is an equidigital number, since it uses as much as digits as its factorization.

6744431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 6744431 is about 2597.0042356531. The cubic root of 6744431 is about 188.9361691077.

The spelling of 6744431 in words is "six million, seven hundred forty-four thousand, four hundred thirty-one".