728287282 has 8 divisors (see below), whose sum is σ = 1093622400. Its totient is φ = 363746484.

The previous prime is 728287279. The next prime is 728287283. The reversal of 728287282 is 282782827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (728287283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196282 + ... + 199957.

It is an arithmetic number, because the mean of its divisors is an integer number (136702800).

Almost surely, 2^728287282 is an apocalyptic number.

728287282 is a deficient number, since it is larger than the sum of its proper divisors (365335118).

728287282 is a wasteful number, since it uses less digits than its factorization.

728287282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397160.

The product of its digits is 401408, while the sum is 46.

The square root of 728287282 is about 26986.7982910163. The cubic root of 728287282 is about 899.7066047766.

The spelling of 728287282 in words is "seven hundred twenty-eight million, two hundred eighty-seven thousand, two hundred eighty-two".