28062704 has 20 divisors (see below), whose sum is σ = 54873720. Its totient is φ = 13901760.

The previous prime is 28062667. The next prime is 28062707. The reversal of 28062704 is 40726082.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28062707) 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, 6302 + ... + 9789.

It is an arithmetic number, because the mean of its divisors is an integer number (2743686).

Almost surely, 2^28062704 is an apocalyptic number.

It is an amenable number.

28062704 is a deficient number, since it is larger than the sum of its proper divisors (26811016).

28062704 is a wasteful number, since it uses less digits than its factorization.

28062704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16208 (or 16202 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 28062704 is about 5297.4242797797. The cubic root of 28062704 is about 303.8854023277.

Adding to 28062704 its reverse (40726082), we get a palindrome (68788786).

The spelling of 28062704 in words is "twenty-eight million, sixty-two thousand, seven hundred four".