706673891 has 8 divisors (see below), whose sum is σ = 881048064. Its totient is φ = 550654920.

The previous prime is 706673839. The next prime is 706673893. The reversal of 706673891 is 198376607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 706673891 - 2¹⁰ = 706672867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706673893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4588715 + ... + 4588868.

It is an arithmetic number, because the mean of its divisors is an integer number (110131008).

Almost surely, 2^706673891 is an apocalyptic number.

706673891 is a deficient number, since it is larger than the sum of its proper divisors (174374173).

706673891 is a wasteful number, since it uses less digits than its factorization.

706673891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9177601.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 706673891 is about 26583.3385977006. The cubic root of 706673891 is about 890.7168785418.

The spelling of 706673891 in words is "seven hundred six million, six hundred seventy-three thousand, eight hundred ninety-one".