28754033 has 16 divisors (see below), whose sum is σ = 36585600. Its totient is φ = 22402800.

The previous prime is 28754029. The next prime is 28754041. The reversal of 28754033 is 33045782.

It is a happy number.

It is not a de Polignac number, because 28754033 - 2² = 28754029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28754233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38 + ... + 7583.

It is an arithmetic number, because the mean of its divisors is an integer number (2286600).

Almost surely, 2^28754033 is an apocalyptic number.

It is an amenable number.

28754033 is a deficient number, since it is larger than the sum of its proper divisors (7831567).

28754033 is an equidigital number, since it uses as much as digits as its factorization.

28754033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7653 (or 7639 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 28754033 is about 5362.2787133830. The cubic root of 28754033 is about 306.3606076663.

The spelling of 28754033 in words is "twenty-eight million, seven hundred fifty-four thousand, thirty-three".