6677691 has 8 divisors (see below), whose sum is σ = 8919360. Its totient is φ = 4443912.

The previous prime is 6677677. The next prime is 6677707. The reversal of 6677691 is 1967766.

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

It is not a de Polignac number, because 6677691 - 2⁹ = 6677179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6677611) 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, 420 + ... + 3678.

It is an arithmetic number, because the mean of its divisors is an integer number (1114920).

Almost surely, 2^6677691 is an apocalyptic number.

6677691 is a deficient number, since it is larger than the sum of its proper divisors (2241669).

6677691 is a wasteful number, since it uses less digits than its factorization.

6677691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945.

The product of its digits is 95256, while the sum is 42.

The square root of 6677691 is about 2584.1228685958. The cubic root of 6677691 is about 188.3108915925.

The spelling of 6677691 in words is "six million, six hundred seventy-seven thousand, six hundred ninety-one".