6786240 has 56 divisors (see below), whose sum is σ = 21549360. Its totient is φ = 1809408.

The previous prime is 6786209. The next prime is 6786253. The reversal of 6786240 is 426876.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2575 + ... + 4494.

It is an arithmetic number, because the mean of its divisors is an integer number (384810).

Almost surely, 2^6786240 is an apocalyptic number.

6786240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6786240 is an abundant number, since it is smaller than the sum of its proper divisors (14763120).

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

6786240 is a wasteful number, since it uses less digits than its factorization.

6786240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7089 (or 7079 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 6786240 is about 2605.0412664678. The cubic root of 6786240 is about 189.3257728031.

The spelling of 6786240 in words is "six million, seven hundred eighty-six thousand, two hundred forty".