706158791 has 4 divisors (see below), whose sum is σ = 760478712. Its totient is φ = 651838872.

The previous prime is 706158743. The next prime is 706158793. The reversal of 706158791 is 197851607.

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 706158791 - 2¹⁴ = 706142407 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 (706158793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27159941 + ... + 27159966.

It is an arithmetic number, because the mean of its divisors is an integer number (190119678).

Almost surely, 2^706158791 is an apocalyptic number.

706158791 is a deficient number, since it is larger than the sum of its proper divisors (54319921).

706158791 is a wasteful number, since it uses less digits than its factorization.

706158791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54319920.

The product of its (nonzero) digits is 105840, while the sum is 44.

The square root of 706158791 is about 26573.6484322345. The cubic root of 706158791 is about 890.5004091578.

The spelling of 706158791 in words is "seven hundred six million, one hundred fifty-eight thousand, seven hundred ninety-one".