706316891 has 4 divisors (see below), whose sum is σ = 807219312. Its totient is φ = 605414472.

The previous prime is 706316861. The next prime is 706316911. The reversal of 706316891 is 198613607.

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 706316891 - 2⁶ = 706316827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706316851) 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, 50451200 + ... + 50451213.

It is an arithmetic number, because the mean of its divisors is an integer number (201804828).

Almost surely, 2^706316891 is an apocalyptic number.

706316891 is a deficient number, since it is larger than the sum of its proper divisors (100902421).

706316891 is a wasteful number, since it uses less digits than its factorization.

706316891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100902420.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 706316891 is about 26576.6230172308. The cubic root of 706316891 is about 890.5668614492.

The spelling of 706316891 in words is "seven hundred six million, three hundred sixteen thousand, eight hundred ninety-one".