6744891 has 8 divisors (see below), whose sum is σ = 9014544. Its totient is φ = 4485920.

The previous prime is 6744889. The next prime is 6744893. The reversal of 6744891 is 1984476.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6744889) and next prime (6744893).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6744891 - 2¹ = 6744889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6744893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056 + ... + 3821.

It is an arithmetic number, because the mean of its divisors is an integer number (1126818).

Almost surely, 2^6744891 is an apocalyptic number.

6744891 is a deficient number, since it is larger than the sum of its proper divisors (2269653).

6744891 is a wasteful number, since it uses less digits than its factorization.

6744891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341.

The product of its digits is 48384, while the sum is 39.

The square root of 6744891 is about 2597.0927977259. The cubic root of 6744891 is about 188.9404644373.

It can be divided in two parts, 674 and 4891, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 6744891 in words is "six million, seven hundred forty-four thousand, eight hundred ninety-one".