728326230 has 16 divisors (see below), whose sum is σ = 1747983024. Its totient is φ = 194220320.

The previous prime is 728326229. The next prime is 728326231. The reversal of 728326230 is 32623827.

It is an interprime number because it is at equal distance from previous prime (728326229) and next prime (728326231).

It is a junction number, because it is equal to n+sod(n) for n = 728326191 and 728326200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728326231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12138741 + ... + 12138800.

It is an arithmetic number, because the mean of its divisors is an integer number (109248939).

Almost surely, 2^728326230 is an apocalyptic number.

728326230 is an abundant number, since it is smaller than the sum of its proper divisors (1019656794).

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

728326230 is a wasteful number, since it uses less digits than its factorization.

728326230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24277551.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 728326230 is about 26987.5198934619. The cubic root of 728326230 is about 899.7226429295.

The spelling of 728326230 in words is "seven hundred twenty-eight million, three hundred twenty-six thousand, two hundred thirty".