28032675 has 36 divisors (see below), whose sum is σ = 50960280. Its totient is φ = 13587200.

The previous prime is 28032673. The next prime is 28032679. The reversal of 28032675 is 57623082.

28032675 = T₂ + T₃ + ... + T₅₅₁.

It is not a de Polignac number, because 28032675 - 2¹ = 28032673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (28032673) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7531 + ... + 10619.

Almost surely, 2^28032675 is an apocalyptic number.

28032675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28032675 is a deficient number, since it is larger than the sum of its proper divisors (22927605).

28032675 is a wasteful number, since it uses less digits than its factorization.

28032675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124 (or 3108 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 28032675 is about 5294.5892191935. The cubic root of 28032675 is about 303.7769709662.

The spelling of 28032675 in words is "twenty-eight million, thirty-two thousand, six hundred seventy-five".