28074426 has 16 divisors (see below), whose sum is σ = 56508384. Its totient is φ = 9298224.

The previous prime is 28074391. The next prime is 28074481. The reversal of 28074426 is 62447082.

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 7 ways as a sum of consecutive naturals, for example, 13960 + ... + 15843.

It is an arithmetic number, because the mean of its divisors is an integer number (3531774).

Almost surely, 2^28074426 is an apocalyptic number.

28074426 is an abundant number, since it is smaller than the sum of its proper divisors (28433958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28074426 is a wasteful number, since it uses less digits than its factorization.

28074426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29965.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 28074426 is about 5298.5305510113. The cubic root of 28074426 is about 303.9277081680.

The spelling of 28074426 in words is "twenty-eight million, seventy-four thousand, four hundred twenty-six".