28752458 has 16 divisors (see below), whose sum is σ = 49361280. Its totient is φ = 12304656.

The previous prime is 28752443. The next prime is 28752463. The reversal of 28752458 is 85425782.

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, 14363 + ... + 16241.

It is an arithmetic number, because the mean of its divisors is an integer number (3085080).

Almost surely, 2^28752458 is an apocalyptic number.

28752458 is a deficient number, since it is larger than the sum of its proper divisors (20608822).

28752458 is a wasteful number, since it uses less digits than its factorization.

28752458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981.

The product of its digits is 179200, while the sum is 41.

The square root of 28752458 is about 5362.1318521648. The cubic root of 28752458 is about 306.3550139377.

The spelling of 28752458 in words is "twenty-eight million, seven hundred fifty-two thousand, four hundred fifty-eight".