500330730 has 64 divisors (see below), whose sum is σ = 1256041728. Its totient is φ = 127311360.

The previous prime is 500330717. The next prime is 500330737. The reversal of 500330730 is 37033005.

It is a junction number, because it is equal to n+sod(n) for n = 500330697 and 500330706.

It is not an unprimeable number, because it can be changed into a prime (500330737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 455542 + ... + 456638.

It is an arithmetic number, because the mean of its divisors is an integer number (19625652).

Almost surely, 2^500330730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500330730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628020864).

500330730 is an abundant number, since it is smaller than the sum of its proper divisors (755710998).

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

500330730 is a wasteful number, since it uses less digits than its factorization.

500330730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791.

The product of its (nonzero) digits is 945, while the sum is 21.

The square root of 500330730 is about 22368.0739000925. The cubic root of 500330730 is about 793.8754877963.

Adding to 500330730 its reverse (37033005), we get a palindrome (537363735).

The spelling of 500330730 in words is "five hundred million, three hundred thirty thousand, seven hundred thirty".