505772572 has 12 divisors (see below), whose sum is σ = 885265920. Its totient is φ = 252839456.

The previous prime is 505772551. The next prime is 505772611. The reversal of 505772572 is 275277505.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26304 + ... + 41272.

It is an arithmetic number, because the mean of its divisors is an integer number (73772160).

Almost surely, 2^505772572 is an apocalyptic number.

It is an amenable number.

505772572 is a deficient number, since it is larger than the sum of its proper divisors (379493348).

505772572 is a wasteful number, since it uses less digits than its factorization.

505772572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23420 (or 23418 counting only the distinct ones).

The product of its (nonzero) digits is 171500, while the sum is 40.

The square root of 505772572 is about 22489.3879863370. The cubic root of 505772572 is about 796.7433083560.

The spelling of 505772572 in words is "five hundred five million, seven hundred seventy-two thousand, five hundred seventy-two".