706990163 has 8 divisors (see below), whose sum is σ = 775525296. Its totient is φ = 639165600.

The previous prime is 706990153. The next prime is 706990177. The reversal of 706990163 is 361099607.

It is a happy number.

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 706990163 - 2¹⁴ = 706973779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 706990163.

It is not an unprimeable number, because it can be changed into a prime (706990153) 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 7 ways as a sum of consecutive naturals, for example, 175556 + ... + 179537.

It is an arithmetic number, because the mean of its divisors is an integer number (96940662).

Almost surely, 2^706990163 is an apocalyptic number.

706990163 is a deficient number, since it is larger than the sum of its proper divisors (68535133).

706990163 is a wasteful number, since it uses less digits than its factorization.

706990163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355285.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 706990163 is about 26589.2866207426. The cubic root of 706990163 is about 890.8497388783.

The spelling of 706990163 in words is "seven hundred six million, nine hundred ninety thousand, one hundred sixty-three".