6780245 has 16 divisors (see below), whose sum is σ = 8640000. Its totient is φ = 5093568.

The previous prime is 6780233. The next prime is 6780247. The reversal of 6780245 is 5420876.

6780245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6780245 - 2¹⁶ = 6714709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13916 + ... + 14394.

It is an arithmetic number, because the mean of its divisors is an integer number (540000).

Almost surely, 2^6780245 is an apocalyptic number.

It is an amenable number.

6780245 is a deficient number, since it is larger than the sum of its proper divisors (1859755).

6780245 is a wasteful number, since it uses less digits than its factorization.

6780245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 6780245 is about 2603.8903586749. The cubic root of 6780245 is about 189.2700059181.

The spelling of 6780245 in words is "six million, seven hundred eighty thousand, two hundred forty-five".