6784081 has 2 divisors, whose sum is σ = 6784082. Its totient is φ = 6784080.

The previous prime is 6784073. The next prime is 6784087. The reversal of 6784081 is 1804876.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4879681 + 1904400 = 2209^2 + 1380^2 .

It is a cyclic number.

It is not a de Polignac number, because 6784081 - 2³ = 6784073 is a prime.

It is a super-2 number, since 2×6784081² = 92047510029122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6784087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3392040 + 3392041.

It is an arithmetic number, because the mean of its divisors is an integer number (3392041).

Almost surely, 2^6784081 is an apocalyptic number.

It is an amenable number.

6784081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6784081 is an equidigital number, since it uses as much as digits as its factorization.

6784081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 6784081 is about 2604.6268446747. The cubic root of 6784081 is about 189.3056930683.

It can be divided in two parts, 67 and 84081, that added together give a palindrome (84148).

The spelling of 6784081 in words is "six million, seven hundred eighty-four thousand, eighty-one".