28302752 has 48 divisors (see below), whose sum is σ = 58286592. Its totient is φ = 13512960.

The previous prime is 28302737. The next prime is 28302767. The reversal of 28302752 is 25720382.

It is an interprime number because it is at equal distance from previous prime (28302737) and next prime (28302767).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102038 + ... + 102314.

It is an arithmetic number, because the mean of its divisors is an integer number (1214304).

Almost surely, 2^28302752 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 28302752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29143296).

28302752 is an abundant number, since it is smaller than the sum of its proper divisors (29983840).

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

28302752 is a wasteful number, since it uses less digits than its factorization.

28302752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 28302752 is about 5320.0330826039. The cubic root of 28302752 is about 304.7494206320.

The spelling of 28302752 in words is "twenty-eight million, three hundred two thousand, seven hundred fifty-two".