520770 has 16 divisors (see below), whose sum is σ = 1249920. Its totient is φ = 138864.

The previous prime is 520763. The next prime is 520787. The reversal of 520770 is 77025.

520770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8650 + ... + 8709.

It is an arithmetic number, because the mean of its divisors is an integer number (78120).

2⁵²⁰⁷⁷⁰ is an apocalyptic number.

520770 is an abundant number, since it is smaller than the sum of its proper divisors (729150).

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

520770 is a wasteful number, since it uses less digits than its factorization.

520770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17369.

The product of its (nonzero) digits is 490, while the sum is 21.

The square root of 520770 is about 721.6439565326. The cubic root of 520770 is about 80.4541873764.

Adding to 520770 its reverse (77025), we get a palindrome (597795).

The spelling of 520770 in words is "five hundred twenty thousand, seven hundred seventy".