6667680735 has 24 divisors (see below), whose sum is σ = 12165594480. Its totient is φ = 3368932992.

The previous prime is 6667680707. The next prime is 6667680737. The reversal of 6667680735 is 5370867666.

It is not a de Polignac number, because 6667680735 - 2⁶ = 6667680671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6667680737) 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, 3898374 + ... + 3900083.

It is an arithmetic number, because the mean of its divisors is an integer number (506899770).

Almost surely, 2^6667680735 is an apocalyptic number.

6667680735 is a deficient number, since it is larger than the sum of its proper divisors (5497913745).

6667680735 is a wasteful number, since it uses less digits than its factorization.

6667680735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7798487 (or 7798484 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The square root of 6667680735 is about 81655.8677315966. The cubic root of 6667680735 is about 1882.1674804077.

The spelling of 6667680735 in words is "six billion, six hundred sixty-seven million, six hundred eighty thousand, seven hundred thirty-five".