6740065 has 4 divisors (see below), whose sum is σ = 8088084. Its totient is φ = 5392048.

The previous prime is 6740029. The next prime is 6740077. The reversal of 6740065 is 5600476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1089936 + 5650129 = 1044^2 + 2377^2 .

It is a cyclic number.

It is not a de Polignac number, because 6740065 - 2¹⁷ = 6608993 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674002 + ... + 674011.

It is an arithmetic number, because the mean of its divisors is an integer number (2022021).

Almost surely, 2^6740065 is an apocalyptic number.

It is an amenable number.

6740065 is a deficient number, since it is larger than the sum of its proper divisors (1348019).

6740065 is a wasteful number, since it uses less digits than its factorization.

6740065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348018.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 6740065 is about 2596.1635156515. The cubic root of 6740065 is about 188.8953911000.

The spelling of 6740065 in words is "six million, seven hundred forty thousand, sixty-five".