506457730 has 48 divisors (see below), whose sum is σ = 967800960. Its totient is φ = 190792224.

The previous prime is 506457719. The next prime is 506457737. The reversal of 506457730 is 37754605.

It is a self number, because there is not a number n which added to its sum of digits gives 506457730.

It is not an unprimeable number, because it can be changed into a prime (506457737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 862497 + ... + 863083.

It is an arithmetic number, because the mean of its divisors is an integer number (20162520).

Almost surely, 2^506457730 is an apocalyptic number.

506457730 is a deficient number, since it is larger than the sum of its proper divisors (461343230).

506457730 is a wasteful number, since it uses less digits than its factorization.

506457730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 506457730 is about 22504.6157487747. The cubic root of 506457730 is about 797.1029223825.

The spelling of 506457730 in words is "five hundred six million, four hundred fifty-seven thousand, seven hundred thirty".