28052716 has 6 divisors (see below), whose sum is σ = 49092260. Its totient is φ = 14026356.

The previous prime is 28052681. The next prime is 28052747. The reversal of 28052716 is 61725082.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3506586 + ... + 3506593.

Almost surely, 2^28052716 is an apocalyptic number.

It is an amenable number.

28052716 is a deficient number, since it is larger than the sum of its proper divisors (21039544).

28052716 is a wasteful number, since it uses less digits than its factorization.

28052716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013183 (or 7013181 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 28052716 is about 5296.4814735822. The cubic root of 28052716 is about 303.8493453656.

Adding to 28052716 its reverse (61725082), we get a palindrome (89777798).

The spelling of 28052716 in words is "twenty-eight million, fifty-two thousand, seven hundred sixteen".