6740668008 has 48 divisors (see below), whose sum is σ = 18304992420. Its totient is φ = 2240856576.

The previous prime is 6740668007. The next prime is 6740668061. The reversal of 6740668008 is 8008660476.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6655622724 + 85045284 = 81582^2 + 9222^2 .

It is not an unprimeable number, because it can be changed into a prime (6740668007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98641 + ... + 152352.

Almost surely, 2^6740668008 is an apocalyptic number.

It is an amenable number.

6740668008 is an abundant number, since it is smaller than the sum of its proper divisors (11564324412).

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

6740668008 is a wasteful number, since it uses less digits than its factorization.

6740668008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251378 (or 251371 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 6740668008 is about 82101.5712882525. The cubic root of 6740668008 is about 1889.0102418295.

The spelling of 6740668008 in words is "six billion, seven hundred forty million, six hundred sixty-eight thousand, eight".