505072 has 10 divisors (see below), whose sum is σ = 978608. Its totient is φ = 252528.

The previous prime is 505067. The next prime is 505073. The reversal of 505072 is 270505.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505073) by changing a digit.

505072 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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15768 + ... + 15799.

2⁵⁰⁵⁰⁷² is an apocalyptic number.

It is an amenable number.

505072 is a deficient number, since it is larger than the sum of its proper divisors (473536).

505072 is a wasteful number, since it uses less digits than its factorization.

505072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31575 (or 31569 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 505072 is about 710.6841773953. The cubic root of 505072 is about 79.6375268119.

Adding to 505072 its reverse (270505), we get a palindrome (775577).

The spelling of 505072 in words is "five hundred five thousand, seventy-two".