502720 has 28 divisors (see below), whose sum is σ = 1197864. Its totient is φ = 200960.

The previous prime is 502717. The next prime is 502729. The reversal of 502720 is 27205.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 502694 and 502703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466 + ... + 1105.

2⁵⁰²⁷²⁰ is an apocalyptic number.

It is an amenable number.

502720 is an abundant number, since it is smaller than the sum of its proper divisors (695144).

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

502720 is a wasteful number, since it uses less digits than its factorization.

502720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1578 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 502720 is about 709.0275029927. The cubic root of 502720 is about 79.5137167635.

Adding to 502720 its reverse (27205), we get a palindrome (529925).

The spelling of 502720 in words is "five hundred two thousand, seven hundred twenty".