28747150 has 48 divisors (see below), whose sum is σ = 56402640. Its totient is φ = 10886400.

The previous prime is 28747141. The next prime is 28747163. The reversal of 28747150 is 5174782.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75661 + ... + 76039.

It is an arithmetic number, because the mean of its divisors is an integer number (1175055).

Almost surely, 2^28747150 is an apocalyptic number.

28747150 is a deficient number, since it is larger than the sum of its proper divisors (27655490).

28747150 is a wasteful number, since it uses less digits than its factorization.

28747150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 28747150 is about 5361.6368769248. The cubic root of 28747150 is about 306.3361606801.

The spelling of 28747150 in words is "twenty-eight million, seven hundred forty-seven thousand, one hundred fifty".