6682491 has 6 divisors (see below), whose sum is σ = 9652500. Its totient is φ = 4454988.

The previous prime is 6682483. The next prime is 6682561. The reversal of 6682491 is 1942866.

It is not a de Polignac number, because 6682491 - 2³ = 6682483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6682421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371241 + ... + 371258.

It is an arithmetic number, because the mean of its divisors is an integer number (1608750).

Almost surely, 2^6682491 is an apocalyptic number.

6682491 is a deficient number, since it is larger than the sum of its proper divisors (2970009).

6682491 is a wasteful number, since it uses less digits than its factorization.

6682491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742505 (or 742502 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 6682491 is about 2585.0514501650. The cubic root of 6682491 is about 188.3560007871.

The spelling of 6682491 in words is "six million, six hundred eighty-two thousand, four hundred ninety-one".