706663 has 8 divisors (see below), whose sum is σ = 738720. Its totient is φ = 675360.

The previous prime is 706661. The next prime is 706669. The reversal of 706663 is 366607.

706663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 706663 - 2¹ = 706661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706661) 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, 2493 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (92340).

2⁷⁰⁶⁶⁶³ is an apocalyptic number.

706663 is a deficient number, since it is larger than the sum of its proper divisors (32057).

706663 is a wasteful number, since it uses less digits than its factorization.

706663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 706663 is about 840.6324999665. The cubic root of 706663 is about 89.0712302717.

It can be divided in two parts, 706 and 663, that added together give a square (1369 = 37²).

The spelling of 706663 in words is "seven hundred six thousand, six hundred sixty-three".