6877491 has 4 divisors (see below), whose sum is σ = 9169992. Its totient is φ = 4584992.

The previous prime is 6877489. The next prime is 6877501. The reversal of 6877491 is 1947786.

6877491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6877491 - 2¹ = 6877489 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6877421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146246 + ... + 1146251.

It is an arithmetic number, because the mean of its divisors is an integer number (2292498).

Almost surely, 2^6877491 is an apocalyptic number.

6877491 is a deficient number, since it is larger than the sum of its proper divisors (2292501).

6877491 is a wasteful number, since it uses less digits than its factorization.

6877491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292500.

The product of its digits is 84672, while the sum is 42.

The square root of 6877491 is about 2622.4970924674. The cubic root of 6877491 is about 190.1705854882.

The spelling of 6877491 in words is "six million, eight hundred seventy-seven thousand, four hundred ninety-one".