28725350 has 12 divisors (see below), whose sum is σ = 53429244. Its totient is φ = 11490120.

The previous prime is 28725343. The next prime is 28725353. The reversal of 28725350 is 5352782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28725353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287204 + ... + 287303.

It is an arithmetic number, because the mean of its divisors is an integer number (4452437).

Almost surely, 2^28725350 is an apocalyptic number.

28725350 is a deficient number, since it is larger than the sum of its proper divisors (24703894).

28725350 is a wasteful number, since it uses less digits than its factorization.

28725350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574519 (or 574514 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 28725350 is about 5359.6035301130. The cubic root of 28725350 is about 306.2587058472.

The spelling of 28725350 in words is "twenty-eight million, seven hundred twenty-five thousand, three hundred fifty".