6780312 has 96 divisors (see below), whose sum is σ = 22913280. Its totient is φ = 1759680.

The previous prime is 6780307. The next prime is 6780317. The reversal of 6780312 is 2130876.

It is an interprime number because it is at equal distance from previous prime (6780307) and next prime (6780317).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4933 + ... + 6155.

It is an arithmetic number, because the mean of its divisors is an integer number (238680).

Almost surely, 2^6780312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6780312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11456640).

6780312 is an abundant number, since it is smaller than the sum of its proper divisors (16132968).

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

6780312 is a wasteful number, since it uses less digits than its factorization.

6780312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 6780312 is about 2603.9032240081. The cubic root of 6780312 is about 189.2706293493.

The spelling of 6780312 in words is "six million, seven hundred eighty thousand, three hundred twelve".