6740159 has 4 divisors (see below), whose sum is σ = 6745440. Its totient is φ = 6734880.

The previous prime is 6740147. The next prime is 6740171. The reversal of 6740159 is 9510476.

It is a happy number.

6740159 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (6740147) and next prime (6740171).

It is a cyclic number.

It is not a de Polignac number, because 6740159 - 2⁸ = 6739903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602 + ... + 3720.

It is an arithmetic number, because the mean of its divisors is an integer number (1686360).

Almost surely, 2^6740159 is an apocalyptic number.

6740159 is a deficient number, since it is larger than the sum of its proper divisors (5281).

6740159 is a wasteful number, since it uses less digits than its factorization.

6740159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 6740159 is about 2596.1816192247. The cubic root of 6740159 is about 188.8962692362.

The spelling of 6740159 in words is "six million, seven hundred forty thousand, one hundred fifty-nine".