6671678 has 8 divisors (see below), whose sum is σ = 10777368. Its totient is φ = 3079224.

The previous prime is 6671677. The next prime is 6671681. The reversal of 6671678 is 8761766.

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

It is a super-2 number, since 2×6671678² = 89022574671368, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671671) 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, 128276 + ... + 128327.

It is an arithmetic number, because the mean of its divisors is an integer number (1347171).

Almost surely, 2^6671678 is an apocalyptic number.

6671678 is a deficient number, since it is larger than the sum of its proper divisors (4105690).

6671678 is a wasteful number, since it uses less digits than its factorization.

6671678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256618.

The product of its digits is 84672, while the sum is 41.

The square root of 6671678 is about 2582.9591556972. The cubic root of 6671678 is about 188.2543524170.

The spelling of 6671678 in words is "six million, six hundred seventy-one thousand, six hundred seventy-eight".