6687373340 has 36 divisors (see below), whose sum is σ = 14433354936. Its totient is φ = 2602642752.

The previous prime is 6687373339. The next prime is 6687373387. The reversal of 6687373340 is 433737866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94742 + ... + 149501.

It is an arithmetic number, because the mean of its divisors is an integer number (400926526).

Almost surely, 2^6687373340 is an apocalyptic number.

It is an amenable number.

6687373340 is an abundant number, since it is smaller than the sum of its proper divisors (7745981596).

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

6687373340 is a wasteful number, since it uses less digits than its factorization.

6687373340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244326 (or 244287 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 47.

The square root of 6687373340 is about 81776.3617434769. The cubic root of 6687373340 is about 1884.0186163778.

The spelling of 6687373340 in words is "six billion, six hundred eighty-seven million, three hundred seventy-three thousand, three hundred forty".