706528 has 12 divisors (see below), whose sum is σ = 1391040. Its totient is φ = 353248.

The previous prime is 706523. The next prime is 706547. The reversal of 706528 is 825607.

706528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 706496 and 706505.

It is a congruent number.

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

706528 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 as a sum of consecutive naturals, namely, 11008 + ... + 11071.

It is an arithmetic number, because the mean of its divisors is an integer number (115920).

2⁷⁰⁶⁵²⁸ is an apocalyptic number.

It is an amenable number.

706528 is a deficient number, since it is larger than the sum of its proper divisors (684512).

706528 is a wasteful number, since it uses less digits than its factorization.

706528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22089 (or 22081 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 706528 is about 840.5521994499. The cubic root of 706528 is about 89.0655578923.

The spelling of 706528 in words is "seven hundred six thousand, five hundred twenty-eight".