502742 has 8 divisors (see below), whose sum is σ = 772632. Its totient is φ = 245200.

The previous prime is 502729. The next prime is 502769. The reversal of 502742 is 247205.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

502742 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2984 + ... + 3147.

It is an arithmetic number, because the mean of its divisors is an integer number (96579).

2⁵⁰²⁷⁴² is an apocalyptic number.

502742 is a deficient number, since it is larger than the sum of its proper divisors (269890).

502742 is a wasteful number, since it uses less digits than its factorization.

502742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174.

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

The square root of 502742 is about 709.0430170307. The cubic root of 502742 is about 79.5148766380.

Adding to 502742 its reverse (247205), we get a palindrome (749947).

The spelling of 502742 in words is "five hundred two thousand, seven hundred forty-two".