6717139 has 16 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 5571360.

The previous prime is 6717131. The next prime is 6717143. The reversal of 6717139 is 9317176.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6717139 - 2³ = 6717131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6717131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15082 + ... + 15520.

It is an arithmetic number, because the mean of its divisors is an integer number (498960).

Almost surely, 2^6717139 is an apocalyptic number.

6717139 is a deficient number, since it is larger than the sum of its proper divisors (1266221).

6717139 is a wasteful number, since it uses less digits than its factorization.

6717139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570.

The product of its digits is 7938, while the sum is 34.

The square root of 6717139 is about 2591.7443932610. The cubic root of 6717139 is about 188.6809750095.

The spelling of 6717139 in words is "six million, seven hundred seventeen thousand, one hundred thirty-nine".