28076068 has 18 divisors (see below), whose sum is σ = 49824866. Its totient is φ = 13841664.

The previous prime is 28076057. The next prime is 28076101. The reversal of 28076068 is 86067082.

It can be written as a sum of positive squares in 3 ways, for example, as 702244 + 27373824 = 838^2 + 5232^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104238 + ... + 104506.

Almost surely, 2^28076068 is an apocalyptic number.

It is an amenable number.

28076068 is a deficient number, since it is larger than the sum of its proper divisors (21748798).

28076068 is an equidigital number, since it uses as much as digits as its factorization.

28076068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 28076068 is about 5298.6854973663. The cubic root of 28076068 is about 303.9336333657.

The spelling of 28076068 in words is "twenty-eight million, seventy-six thousand, sixty-eight".