28673052 has 48 divisors (see below), whose sum is σ = 71514240. Its totient is φ = 8914752.

The previous prime is 28673017. The next prime is 28673077. The reversal of 28673052 is 25037682.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14338 + ... + 16214.

It is an arithmetic number, because the mean of its divisors is an integer number (1489880).

Almost surely, 2^28673052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28673052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35757120).

28673052 is an abundant number, since it is smaller than the sum of its proper divisors (42841188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28673052 is a wasteful number, since it uses less digits than its factorization.

28673052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970 (or 1968 counting only the distinct ones).

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

The square root of 28673052 is about 5354.7224017684. The cubic root of 28673052 is about 306.0727325081.

The spelling of 28673052 in words is "twenty-eight million, six hundred seventy-three thousand, fifty-two".