6740085 has 16 divisors (see below), whose sum is σ = 11764800. Its totient is φ = 3267840.

The previous prime is 6740077. The next prime is 6740087. The reversal of 6740085 is 5800476.

It is a happy number.

6740085 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 6740085 - 2³ = 6740077 is a prime.

It is a Curzon number.

6740085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740087) 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 15 ways as a sum of consecutive naturals, for example, 20260 + ... + 20589.

It is an arithmetic number, because the mean of its divisors is an integer number (735300).

Almost surely, 2^6740085 is an apocalyptic number.

It is an amenable number.

6740085 is a deficient number, since it is larger than the sum of its proper divisors (5024715).

6740085 is a wasteful number, since it uses less digits than its factorization.

6740085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40868.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 6740085 is about 2596.1673674862. The cubic root of 6740085 is about 188.8955779382.

The spelling of 6740085 in words is "six million, seven hundred forty thousand, eighty-five".