706522 has 8 divisors (see below), whose sum is σ = 1063476. Its totient is φ = 352032.

The previous prime is 706507. The next prime is 706523. The reversal of 706522 is 225607.

It can be written as a sum of positive squares in 2 ways, for example, as 703921 + 2601 = 839^2 + 51^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 706493 and 706502.

It is not an unprimeable number, because it can be changed into a prime (706523) by changing a digit.

706522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528 + ... + 1300.

2⁷⁰⁶⁵²² is an apocalyptic number.

706522 is a deficient number, since it is larger than the sum of its proper divisors (356954).

706522 is a wasteful number, since it uses less digits than its factorization.

706522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 706522 is about 840.5486303600. The cubic root of 706522 is about 89.0653057698.

The spelling of 706522 in words is "seven hundred six thousand, five hundred twenty-two".