6706559 has 4 divisors (see below), whose sum is σ = 6718320. Its totient is φ = 6694800.

The previous prime is 6706549. The next prime is 6706573. The reversal of 6706559 is 9556076.

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

It is a cyclic number.

It is not a de Polignac number, because 6706559 - 2⁴ = 6706543 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 (6706519) 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, 4979 + ... + 6180.

It is an arithmetic number, because the mean of its divisors is an integer number (1679580).

Almost surely, 2^6706559 is an apocalyptic number.

6706559 is a deficient number, since it is larger than the sum of its proper divisors (11761).

6706559 is a wasteful number, since it uses less digits than its factorization.

6706559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11760.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 6706559 is about 2589.7024925655. The cubic root of 6706559 is about 188.5818607034.

The spelling of 6706559 in words is "six million, seven hundred six thousand, five hundred fifty-nine".