572240 has 40 divisors (see below), whose sum is σ = 1392768. Its totient is φ = 218240.

The previous prime is 572239. The next prime is 572251. The reversal of 572240 is 42275.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 1685 + ... + 1995.

2⁵⁷²²⁴⁰ 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 572240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696384).

572240 is an abundant number, since it is smaller than the sum of its proper divisors (820528).

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

572240 is a wasteful number, since it uses less digits than its factorization.

572240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 572240 is about 756.4654651734. The cubic root of 572240 is about 83.0219132154.

The spelling of 572240 in words is "five hundred seventy-two thousand, two hundred forty".