320572 has 18 divisors (see below), whose sum is σ = 647192. Its totient is φ = 136104.

The previous prime is 320563. The next prime is 320591. The reversal of 320572 is 275023.

It is a happy number.

320572 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2943 + ... + 3049.

2³²⁰⁵⁷² is an apocalyptic number.

It is an amenable number.

320572 is an abundant number, since it is smaller than the sum of its proper divisors (326620).

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

320572 is a wasteful number, since it uses less digits than its factorization.

320572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 320572 is about 566.1907805678. The cubic root of 320572 is about 68.4397680350.

Adding to 320572 its reverse (275023), we get a palindrome (595595).

It can be divided in two parts, 3 and 20572, that multiplied together give a palindrome (61716).

The spelling of 320572 in words is "three hundred twenty thousand, five hundred seventy-two".