6671980 has 24 divisors (see below), whose sum is σ = 16013088. Its totient is φ = 2287488.

The previous prime is 6671969. The next prime is 6671989. The reversal of 6671980 is 891766.

It is not an unprimeable number, because it can be changed into a prime (6671989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23689 + ... + 23968.

It is an arithmetic number, because the mean of its divisors is an integer number (667212).

Almost surely, 2^6671980 is an apocalyptic number.

It is an amenable number.

6671980 is an abundant number, since it is smaller than the sum of its proper divisors (9341108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6671980 is a wasteful number, since it uses less digits than its factorization.

6671980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47673 (or 47671 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 6671980 is about 2583.0176151161. The cubic root of 6671980 is about 188.2571928797.

The spelling of 6671980 in words is "six million, six hundred seventy-one thousand, nine hundred eighty".