28068574 has 4 divisors (see below), whose sum is σ = 42102864. Its totient is φ = 14034286.

The previous prime is 28068563. The next prime is 28068583. The reversal of 28068574 is 47586082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47586082 = 2 ⋅23793041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7017142 + ... + 7017145.

It is an arithmetic number, because the mean of its divisors is an integer number (10525716).

Almost surely, 2^28068574 is an apocalyptic number.

28068574 is a deficient number, since it is larger than the sum of its proper divisors (14034290).

28068574 is a wasteful number, since it uses less digits than its factorization.

28068574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14034289.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 28068574 is about 5297.9782936513. The cubic root of 28068574 is about 303.9065892020.

The spelling of 28068574 in words is "twenty-eight million, sixty-eight thousand, five hundred seventy-four".