28075214 has 8 divisors (see below), whose sum is σ = 42249168. Its totient is φ = 13992160.

The previous prime is 28075207. The next prime is 28075231. The reversal of 28075214 is 41257082.

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

It is a super-2 number, since 2×28075214² = 1576435282291592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 21947 + ... + 23190.

It is an arithmetic number, because the mean of its divisors is an integer number (5281146).

Almost surely, 2^28075214 is an apocalyptic number.

28075214 is a deficient number, since it is larger than the sum of its proper divisors (14173954).

28075214 is a wasteful number, since it uses less digits than its factorization.

28075214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45450.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 28075214 is about 5298.6049107289. The cubic root of 28075214 is about 303.9305517144.

The spelling of 28075214 in words is "twenty-eight million, seventy-five thousand, two hundred fourteen".