28747600 has 60 divisors (see below), whose sum is σ = 78940384. Its totient is φ = 9855360.

The previous prime is 28747577. The next prime is 28747651. The reversal of 28747600 is 674782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2334 + ... + 7933.

Almost surely, 2^28747600 is an apocalyptic number.

28747600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28747600 is an abundant number, since it is smaller than the sum of its proper divisors (50192784).

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

28747600 is a wasteful number, since it uses less digits than its factorization.

28747600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10292 (or 10281 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 28747600 is about 5361.6788415570. The cubic root of 28747600 is about 306.3377591059.

The spelling of 28747600 in words is "twenty-eight million, seven hundred forty-seven thousand, six hundred".