6687093 has 16 divisors (see below), whose sum is σ = 10229760. Its totient is φ = 3806256.

The previous prime is 6687077. The next prime is 6687097. The reversal of 6687093 is 3907866.

6687093 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6687093 - 2⁴ = 6687077 is a prime.

6687093 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6687097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7096 + ... + 7982.

It is an arithmetic number, because the mean of its divisors is an integer number (639360).

Almost surely, 2^6687093 is an apocalyptic number.

It is an amenable number.

6687093 is a deficient number, since it is larger than the sum of its proper divisors (3542667).

6687093 is a wasteful number, since it uses less digits than its factorization.

6687093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 6687093 is about 2585.9414146496. The cubic root of 6687093 is about 188.3992289491.

The spelling of 6687093 in words is "six million, six hundred eighty-seven thousand, ninety-three".