728275298 has 16 divisors (see below), whose sum is σ = 1097712000. Its totient is φ = 362376192.

The previous prime is 728275241. The next prime is 728275319. The reversal of 728275298 is 892572827.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551483 + ... + 552801.

It is an arithmetic number, because the mean of its divisors is an integer number (68607000).

Almost surely, 2^728275298 is an apocalyptic number.

728275298 is a deficient number, since it is larger than the sum of its proper divisors (369436702).

728275298 is a wasteful number, since it uses less digits than its factorization.

728275298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449.

The product of its digits is 1128960, while the sum is 50.

The square root of 728275298 is about 26986.5762556127. The cubic root of 728275298 is about 899.7016698453.

It can be divided in two parts, 72827 and 5298, that added together give a 7-th power (78125 = 5⁷).

The spelling of 728275298 in words is "seven hundred twenty-eight million, two hundred seventy-five thousand, two hundred ninety-eight".