6749091 has 6 divisors (see below), whose sum is σ = 9748700. Its totient is φ = 4499388.

The previous prime is 6749087. The next prime is 6749107. The reversal of 6749091 is 1909476.

It is not a de Polignac number, because 6749091 - 2² = 6749087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6749081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 374941 + ... + 374958.

Almost surely, 2^6749091 is an apocalyptic number.

6749091 is a deficient number, since it is larger than the sum of its proper divisors (2999609).

6749091 is a wasteful number, since it uses less digits than its factorization.

6749091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749905 (or 749902 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 6749091 is about 2597.9012683318. The cubic root of 6749091 is about 188.9796736350.

The spelling of 6749091 in words is "six million, seven hundred forty-nine thousand, ninety-one".