6687487340 has 48 divisors (see below), whose sum is σ = 14288877120. Its totient is φ = 2628391680.

The previous prime is 6687487321. The next prime is 6687487343. The reversal of 6687487340 is 437847866.

It is not an unprimeable number, because it can be changed into a prime (6687487343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1477601 + ... + 1482119.

It is an arithmetic number, because the mean of its divisors is an integer number (297684940).

Almost surely, 2^6687487340 is an apocalyptic number.

It is an amenable number.

6687487340 is an abundant number, since it is smaller than the sum of its proper divisors (7601389780).

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

6687487340 is a wasteful number, since it uses less digits than its factorization.

6687487340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5802 (or 5800 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 53.

The square root of 6687487340 is about 81777.0587634454. The cubic root of 6687487340 is about 1884.0293219713.

The spelling of 6687487340 in words is "six billion, six hundred eighty-seven million, four hundred eighty-seven thousand, three hundred forty".