728452230 has 32 divisors (see below), whose sum is σ = 1907221248. Its totient is φ = 176594400.

The previous prime is 728452223. The next prime is 728452243. The reversal of 728452230 is 32254827.

728452230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 728452191 and 728452200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1103386 + ... + 1104045.

It is an arithmetic number, because the mean of its divisors is an integer number (59600664).

Almost surely, 2^728452230 is an apocalyptic number.

728452230 is an abundant number, since it is smaller than the sum of its proper divisors (1178769018).

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

728452230 is a wasteful number, since it uses less digits than its factorization.

728452230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207452.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 728452230 is about 26989.8542048674. The cubic root of 728452230 is about 899.7745237633.

The spelling of 728452230 in words is "seven hundred twenty-eight million, four hundred fifty-two thousand, two hundred thirty".