706320 has 100 divisors (see below), whose sum is σ = 2475660. Its totient is φ = 186624.

The previous prime is 706313. The next prime is 706337. The reversal of 706320 is 23607.

It can be written as a sum of positive squares in 2 ways, for example, as 374544 + 331776 = 612^2 + 576^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 706293 and 706302.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6426 + ... + 6534.

2⁷⁰⁶³²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 706320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237830).

706320 is an abundant number, since it is smaller than the sum of its proper divisors (1769340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

706320 is a wasteful number, since it uses less digits than its factorization.

706320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 706320 is about 840.4284621549. The cubic root of 706320 is about 89.0568168119.

Adding to 706320 its reverse (23607), we get a palindrome (729927).

The spelling of 706320 in words is "seven hundred six thousand, three hundred twenty".