28745758 has 16 divisors (see below), whose sum is σ = 44423280. Its totient is φ = 13942656.

The previous prime is 28745753. The next prime is 28745767. The reversal of 28745758 is 85754782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28745753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12438 + ... + 14566.

It is an arithmetic number, because the mean of its divisors is an integer number (2776455).

Almost surely, 2^28745758 is an apocalyptic number.

28745758 is a deficient number, since it is larger than the sum of its proper divisors (15677522).

28745758 is a wasteful number, since it uses less digits than its factorization.

28745758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331.

The product of its digits is 627200, while the sum is 46.

The square root of 28745758 is about 5361.5070642498. The cubic root of 28745758 is about 306.3312161109.

The spelling of 28745758 in words is "twenty-eight million, seven hundred forty-five thousand, seven hundred fifty-eight".