6780975 has 24 divisors (see below), whose sum is σ = 11701632. Its totient is φ = 3458400.

The previous prime is 6780973. The next prime is 6780989. The reversal of 6780975 is 5790876.

6780975 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6780975 - 2¹ = 6780973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241 + ... + 3690.

It is an arithmetic number, because the mean of its divisors is an integer number (487568).

Almost surely, 2^6780975 is an apocalyptic number.

6780975 is a deficient number, since it is larger than the sum of its proper divisors (4920657).

6780975 is a wasteful number, since it uses less digits than its factorization.

6780975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3967 (or 3962 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 6780975 is about 2604.0305297749. The cubic root of 6780975 is about 189.2767983052.

Subtracting from 6780975 its reverse (5790876), we obtain a palindrome (990099).

The spelling of 6780975 in words is "six million, seven hundred eighty thousand, nine hundred seventy-five".