28673032 has 8 divisors (see below), whose sum is σ = 53761950. Its totient is φ = 14336512.

The previous prime is 28673017. The next prime is 28673077. The reversal of 28673032 is 23037682.

It can be written as a sum of positive squares in only one way, i.e., 17690436 + 10982596 = 4206^2 + 3314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 28672985 and 28673003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1792057 + ... + 1792072.

Almost surely, 2^28673032 is an apocalyptic number.

It is an amenable number.

28673032 is a deficient number, since it is larger than the sum of its proper divisors (25088918).

28673032 is a wasteful number, since it uses less digits than its factorization.

28673032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584135 (or 3584131 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 28673032 is about 5354.7205342576. The cubic root of 28673032 is about 306.0726613442.

The spelling of 28673032 in words is "twenty-eight million, six hundred seventy-three thousand, thirty-two".