6785140 has 12 divisors (see below), whose sum is σ = 14248836. Its totient is φ = 2714048.

The previous prime is 6785117. The next prime is 6785173. The reversal of 6785140 is 415876.

It can be written as a sum of positive squares in 2 ways, for example, as 1281424 + 5503716 = 1132^2 + 2346^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 169609 + ... + 169648.

It is an arithmetic number, because the mean of its divisors is an integer number (1187403).

Almost surely, 2^6785140 is an apocalyptic number.

It is an amenable number.

6785140 is an abundant number, since it is smaller than the sum of its proper divisors (7463696).

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

6785140 is a wasteful number, since it uses less digits than its factorization.

6785140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339266 (or 339264 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 6785140 is about 2604.8301288184. The cubic root of 6785140 is about 189.3155428081.

The spelling of 6785140 in words is "six million, seven hundred eighty-five thousand, one hundred forty".