6668004740 has 48 divisors (see below), whose sum is σ = 14117915952. Its totient is φ = 2645354496.

The previous prime is 6668004731. The next prime is 6668004743. The reversal of 6668004740 is 474008666.

It can be written as a sum of positive squares in 8 ways, for example, as 2101488964 + 4566515776 = 45842^2 + 67576^2 .

It is not an unprimeable number, because it can be changed into a prime (6668004743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1579112 + ... + 1583328.

It is an arithmetic number, because the mean of its divisors is an integer number (294123249).

Almost surely, 2^6668004740 is an apocalyptic number.

It is an amenable number.

6668004740 is an abundant number, since it is smaller than the sum of its proper divisors (7449911212).

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

6668004740 is a wasteful number, since it uses less digits than its factorization.

6668004740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856 (or 4854 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 6668004740 is about 81657.8516739205. The cubic root of 6668004740 is about 1882.1979668602.

The spelling of 6668004740 in words is "six billion, six hundred sixty-eight million, four thousand, seven hundred forty".