28727335 has 32 divisors (see below), whose sum is σ = 44674560. Its totient is φ = 17221248.

The previous prime is 28727333. The next prime is 28727357. The reversal of 28727335 is 53372782.

It is a cyclic number.

It is not a de Polignac number, because 28727335 - 2¹ = 28727333 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28727294 and 28727303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28727333) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6984 + ... + 10306.

It is an arithmetic number, because the mean of its divisors is an integer number (1396080).

Almost surely, 2^28727335 is an apocalyptic number.

28727335 is a deficient number, since it is larger than the sum of its proper divisors (15947225).

28727335 is a wasteful number, since it uses less digits than its factorization.

28727335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367.

The product of its digits is 70560, while the sum is 37.

The square root of 28727335 is about 5359.7887085220. The cubic root of 28727335 is about 306.2657601219.

The spelling of 28727335 in words is "twenty-eight million, seven hundred twenty-seven thousand, three hundred thirty-five".