728530002 has 48 divisors (see below), whose sum is σ = 1682508672. Its totient is φ = 227030400.

The previous prime is 728530001. The next prime is 728530003. The reversal of 728530002 is 200035827.

It is an interprime number because it is at equal distance from previous prime (728530001) and next prime (728530003).

It is not an unprimeable number, because it can be changed into a prime (728530001) 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, 38323 + ... + 54089.

It is an arithmetic number, because the mean of its divisors is an integer number (35052264).

Almost surely, 2^728530002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 728530002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841254336).

728530002 is an abundant number, since it is smaller than the sum of its proper divisors (953978670).

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

728530002 is a wasteful number, since it uses less digits than its factorization.

728530002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15943 (or 15940 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 728530002 is about 26991.2949300325. The cubic root of 728530002 is about 899.8065436044.

Adding to 728530002 its reverse (200035827), we get a palindrome (928565829).

The spelling of 728530002 in words is "seven hundred twenty-eight million, five hundred thirty thousand, two".