302728068 has 36 divisors (see below), whose sum is σ = 770378700. Its totient is φ = 100230336.

The previous prime is 302728067. The next prime is 302728073. The reversal of 302728068 is 860827203.

It is a happy number.

302728068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 151733124 + 150994944 = 12318^2 + 12288^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (302728067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22855 + ... + 33582.

Almost surely, 2^302728068 is an apocalyptic number.

It is an amenable number.

302728068 is an abundant number, since it is smaller than the sum of its proper divisors (467650632).

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

302728068 is a wasteful number, since it uses less digits than its factorization.

302728068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56596 (or 56591 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 302728068 is about 17399.0823895974. The cubic root of 302728068 is about 671.4560063894.

The spelling of 302728068 in words is "three hundred two million, seven hundred twenty-eight thousand, sixty-eight".