28075718 has 8 divisors (see below), whose sum is σ = 45942120. Its totient is φ = 12761680.

The previous prime is 28075717. The next prime is 28075753. The reversal of 28075718 is 81757082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28075717) 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, 638063 + ... + 638106.

It is an arithmetic number, because the mean of its divisors is an integer number (5742765).

Almost surely, 2^28075718 is an apocalyptic number.

28075718 is a deficient number, since it is larger than the sum of its proper divisors (17866402).

28075718 is a wasteful number, since it uses less digits than its factorization.

28075718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276182.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 28075718 is about 5298.6524702041. The cubic root of 28075718 is about 303.9323704014.

The spelling of 28075718 in words is "twenty-eight million, seventy-five thousand, seven hundred eighteen".