578720 has 24 divisors (see below), whose sum is σ = 1367604. Its totient is φ = 231424.

The previous prime is 578719. The next prime is 578729. The reversal of 578720 is 27875.

It can be written as a sum of positive squares in 2 ways, for example, as 478864 + 99856 = 692^2 + 316^2 .

It is not an unprimeable number, because it can be changed into a prime (578729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649 + ... + 1968.

2⁵⁷⁸⁷²⁰ is an apocalyptic number.

It is an amenable number.

578720 is an abundant number, since it is smaller than the sum of its proper divisors (788884).

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

578720 is a wasteful number, since it uses less digits than its factorization.

578720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632 (or 3624 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 578720 is about 760.7364852562. The cubic root of 578720 is about 83.3341155482.

The spelling of 578720 in words is "five hundred seventy-eight thousand, seven hundred twenty".