706563 has 40 divisors (see below), whose sum is σ = 1260336. Its totient is φ = 388800.

The previous prime is 706561. The next prime is 706597. The reversal of 706563 is 365607.

706563 is a `hidden beast` number, since 7 + 0 + 656 + 3 = 666.

It is not a de Polignac number, because 706563 - 2¹ = 706561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (706561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11553 + ... + 11613.

2⁷⁰⁶⁵⁶³ is an apocalyptic number.

706563 is a deficient number, since it is larger than the sum of its proper divisors (553773).

706563 is a wasteful number, since it uses less digits than its factorization.

706563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 706563 is about 840.5730188389. The cubic root of 706563 is about 89.0670285786.

The spelling of 706563 in words is "seven hundred six thousand, five hundred sixty-three".