6730191 has 48 divisors (see below), whose sum is σ = 11374272. Its totient is φ = 3801600.

The previous prime is 6730187. The next prime is 6730201. The reversal of 6730191 is 1910376.

6730191 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6730191 - 2² = 6730187 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6730121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110301 + ... + 110361.

It is an arithmetic number, because the mean of its divisors is an integer number (236964).

Almost surely, 2^6730191 is an apocalyptic number.

6730191 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6730191 is a deficient number, since it is larger than the sum of its proper divisors (4644081).

6730191 is a wasteful number, since it uses less digits than its factorization.

6730191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 6730191 is about 2594.2611664981. The cubic root of 6730191 is about 188.8031039271.

The spelling of 6730191 in words is "six million, seven hundred thirty thousand, one hundred ninety-one".