6671740 has 24 divisors (see below), whose sum is σ = 14495040. Its totient is φ = 2576448.

The previous prime is 6671723. The next prime is 6671747. The reversal of 6671740 is 471766.

It is a super-2 number, since 2×6671740² = 89024229255200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671747) 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, 5172 + ... + 6331.

It is an arithmetic number, because the mean of its divisors is an integer number (603960).

Almost surely, 2^6671740 is an apocalyptic number.

It is an amenable number.

6671740 is an abundant number, since it is smaller than the sum of its proper divisors (7823300).

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

6671740 is a wasteful number, since it uses less digits than its factorization.

6671740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11541 (or 11539 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 6671740 is about 2582.9711574077. The cubic root of 6671740 is about 188.2549355653.

The spelling of 6671740 in words is "six million, six hundred seventy-one thousand, seven hundred forty".