6671340 has 72 divisors (see below), whose sum is σ = 21800688. Its totient is φ = 1641600.

The previous prime is 6671323. The next prime is 6671341. The reversal of 6671340 is 431766.

It is not an unprimeable number, because it can be changed into a prime (6671341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 915 + ... + 3765.

Almost surely, 2^6671340 is an apocalyptic number.

6671340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6671340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10900344).

6671340 is an abundant number, since it is smaller than the sum of its proper divisors (15129348).

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

6671340 is a wasteful number, since it uses less digits than its factorization.

6671340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 6671340 is about 2582.8937260367. The cubic root of 6671340 is about 188.2511732545.

The spelling of 6671340 in words is "six million, six hundred seventy-one thousand, three hundred forty".