28073134 has 16 divisors (see below), whose sum is σ = 42928128. Its totient is φ = 13765752.

The previous prime is 28073117. The next prime is 28073141. The reversal of 28073134 is 43137082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51049 + ... + 51595.

It is an arithmetic number, because the mean of its divisors is an integer number (2683008).

Almost surely, 2^28073134 is an apocalyptic number.

28073134 is a deficient number, since it is larger than the sum of its proper divisors (14854994).

28073134 is a wasteful number, since it uses less digits than its factorization.

28073134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 28073134 is about 5298.4086290131. The cubic root of 28073134 is about 303.9230457916.

The spelling of 28073134 in words is "twenty-eight million, seventy-three thousand, one hundred thirty-four".