706380865 has 8 divisors (see below), whose sum is σ = 848471400. Its totient is φ = 564561792.

The previous prime is 706380859. The next prime is 706380893. The reversal of 706380865 is 568083607.

It can be written as a sum of positive squares in 4 ways, for example, as 343249729 + 363131136 = 18527^2 + 19056^2 .

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 706380865 - 2⁵ = 706380833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62094 + ... + 72583.

It is an arithmetic number, because the mean of its divisors is an integer number (106058925).

Almost surely, 2^706380865 is an apocalyptic number.

It is an amenable number.

706380865 is a deficient number, since it is larger than the sum of its proper divisors (142090535).

706380865 is a wasteful number, since it uses less digits than its factorization.

706380865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135731.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 706380865 is about 26577.8265665197. The cubic root of 706380865 is about 890.5937480611.

The spelling of 706380865 in words is "seven hundred six million, three hundred eighty thousand, eight hundred sixty-five".