28070114 has 4 divisors (see below), whose sum is σ = 42105174. Its totient is φ = 14035056.

The previous prime is 28070101. The next prime is 28070129. The reversal of 28070114 is 41107082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25331089 + 2739025 = 5033^2 + 1655^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28070114.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7017527 + ... + 7017530.

Almost surely, 2^28070114 is an apocalyptic number.

28070114 is a deficient number, since it is larger than the sum of its proper divisors (14035060).

28070114 is a wasteful number, since it uses less digits than its factorization.

28070114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14035059.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 28070114 is about 5298.1236301166. The cubic root of 28070114 is about 303.9121471092.

Adding to 28070114 its reverse (41107082), we get a palindrome (69177196).

The spelling of 28070114 in words is "twenty-eight million, seventy thousand, one hundred fourteen".