6674340681 has 32 divisors (see below), whose sum is σ = 10149767040. Its totient is φ = 4333176000.

The previous prime is 6674340679. The next prime is 6674340683. The reversal of 6674340681 is 1860434766.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6674340679) and next prime (6674340683).

It is not a de Polignac number, because 6674340681 - 2¹ = 6674340679 is a prime.

It is a super-2 number, since 2×6674340681² = 89093647052103087522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6674340683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146286 + ... + 186408.

It is an arithmetic number, because the mean of its divisors is an integer number (317180220).

Almost surely, 2^6674340681 is an apocalyptic number.

6674340681 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6674340681 is a deficient number, since it is larger than the sum of its proper divisors (3475426359).

6674340681 is a wasteful number, since it uses less digits than its factorization.

6674340681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40294 (or 40288 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 6674340681 is about 81696.6381254455. The cubic root of 6674340681 is about 1882.7939332461.

The spelling of 6674340681 in words is "six billion, six hundred seventy-four million, three hundred forty thousand, six hundred eighty-one".