706653 has 6 divisors (see below), whose sum is σ = 1020734. Its totient is φ = 471096.

The previous prime is 706633. The next prime is 706661. The reversal of 706653 is 356607.

706653 is a `hidden beast` number, since 7 + 0 + 6 + 653 = 666.

706653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 700569 + 6084 = 837^2 + 78^2 .

It is not a de Polignac number, because 706653 - 2⁵ = 706621 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 (706603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39250 + ... + 39267.

2⁷⁰⁶⁶⁵³ is an apocalyptic number.

It is an amenable number.

706653 is a deficient number, since it is larger than the sum of its proper divisors (314081).

706653 is a wasteful number, since it uses less digits than its factorization.

706653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78523 (or 78520 counting only the distinct ones).

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

The square root of 706653 is about 840.6265520432. The cubic root of 706653 is about 89.0708101202.

The spelling of 706653 in words is "seven hundred six thousand, six hundred fifty-three".