730228650 has 48 divisors (see below), whose sum is σ = 1818633600. Its totient is φ = 193903360.

The previous prime is 730228637. The next prime is 730228651. The reversal of 730228650 is 56822037.

It is not an unprimeable number, because it can be changed into a prime (730228651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25666 + ... + 46034.

It is an arithmetic number, because the mean of its divisors is an integer number (37888200).

Almost surely, 2^730228650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730228650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909316800).

730228650 is an abundant number, since it is smaller than the sum of its proper divisors (1088404950).

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

730228650 is a wasteful number, since it uses less digits than its factorization.

730228650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20623 (or 20618 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 730228650 is about 27022.7431990166. The cubic root of 730228650 is about 900.5053334954.

The spelling of 730228650 in words is "seven hundred thirty million, two hundred twenty-eight thousand, six hundred fifty".