28073458 has 16 divisors (see below), whose sum is σ = 48256704. Its totient is φ = 11998800.

The previous prime is 28073447. The next prime is 28073473. The reversal of 28073458 is 85437082.

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, 3033 + ... + 8083.

It is an arithmetic number, because the mean of its divisors is an integer number (3016044).

Almost surely, 2^28073458 is an apocalyptic number.

28073458 is a deficient number, since it is larger than the sum of its proper divisors (20183246).

28073458 is a wasteful number, since it uses less digits than its factorization.

28073458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 28073458 is about 5298.4392041430. The cubic root of 28073458 is about 303.9242150078.

The spelling of 28073458 in words is "twenty-eight million, seventy-three thousand, four hundred fifty-eight".