706305520 has 80 divisors (see below), whose sum is σ = 1682749440. Its totient is φ = 275616000.

The previous prime is 706305517. The next prime is 706305529. The reversal of 706305520 is 25503607.

706305520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706305529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712225 + ... + 713215.

It is an arithmetic number, because the mean of its divisors is an integer number (21034368).

Almost surely, 2^706305520 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 706305520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841374720).

706305520 is an abundant number, since it is smaller than the sum of its proper divisors (976443920).

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

706305520 is a wasteful number, since it uses less digits than its factorization.

706305520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 706305520 is about 26576.4090877605. The cubic root of 706305520 is about 890.5620823431.

The spelling of 706305520 in words is "seven hundred six million, three hundred five thousand, five hundred twenty".