706686607 has 4 divisors (see below), whose sum is σ = 770930856. Its totient is φ = 642442360.

The previous prime is 706686581. The next prime is 706686637.

706686607 is nontrivially palindromic in base 10.

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 706686607 - 2⁷ = 706686479 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 (706686637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32122108 + ... + 32122129.

It is an arithmetic number, because the mean of its divisors is an integer number (192732714).

Almost surely, 2^706686607 is an apocalyptic number.

706686607 is a deficient number, since it is larger than the sum of its proper divisors (64244249).

706686607 is a wasteful number, since it uses less digits than its factorization.

706686607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64244248.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 706686607 is about 26583.5777689911. The cubic root of 706686607 is about 890.7222210758.

The spelling of 706686607 in words is "seven hundred six million, six hundred eighty-six thousand, six hundred seven".