6786040 has 32 divisors (see below), whose sum is σ = 16074000. Its totient is φ = 2571264.

The previous prime is 6786037. The next prime is 6786041. The reversal of 6786040 is 406876.

It is a super-4 number, since 4×6786040⁴ (a number of 28 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6785993 and 6786011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6786041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3705 + ... + 5224.

Almost surely, 2^6786040 is an apocalyptic number.

It is an amenable number.

6786040 is an abundant number, since it is smaller than the sum of its proper divisors (9287960).

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

6786040 is a wasteful number, since it uses less digits than its factorization.

6786040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8959 (or 8955 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 6786040 is about 2605.0028790771. The cubic root of 6786040 is about 189.3239128862.

The spelling of 6786040 in words is "six million, seven hundred eighty-six thousand, forty".