28744675 has 18 divisors (see below), whose sum is σ = 36453644. Its totient is φ = 22479600.

The previous prime is 28744673. The next prime is 28744693. The reversal of 28744675 is 57644782.

It is not a de Polignac number, because 28744675 - 2¹ = 28744673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28744673) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 219360 + ... + 219490.

Almost surely, 2^28744675 is an apocalyptic number.

28744675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28744675 is a deficient number, since it is larger than the sum of its proper divisors (7708969).

28744675 is an equidigital number, since it uses as much as digits as its factorization.

28744675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 203 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 28744675 is about 5361.4060655765. The cubic root of 28744675 is about 306.3273690404.

The spelling of 28744675 in words is "twenty-eight million, seven hundred forty-four thousand, six hundred seventy-five".