6744847 has 2 divisors, whose sum is σ = 6744848. Its totient is φ = 6744846.

The previous prime is 6744827. The next prime is 6744889. The reversal of 6744847 is 7484476.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6744847 is a prime.

It is a super-2 number, since 2×6744847² = 90985922106818, which contains 22 as substring.

6744847 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6744817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3372423 + 3372424.

It is an arithmetic number, because the mean of its divisors is an integer number (3372424).

Almost surely, 2^6744847 is an apocalyptic number.

6744847 is a deficient number, since it is larger than the sum of its proper divisors (1).

6744847 is an equidigital number, since it uses as much as digits as its factorization.

6744847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 40.

The square root of 6744847 is about 2597.0843267018. The cubic root of 6744847 is about 188.9400535881.

The spelling of 6744847 in words is "six million, seven hundred forty-four thousand, eight hundred forty-seven".