26728325 has 12 divisors (see below), whose sum is σ = 35693028. Its totient is φ = 19737600.

The previous prime is 26728291. The next prime is 26728333. The reversal of 26728325 is 52382762.

It can be written as a sum of positive squares in 6 ways, for example, as 3678724 + 23049601 = 1918^2 + 4801^2 .

It is not a de Polignac number, because 26728325 - 2¹⁶ = 26662789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40796 + ... + 41445.

It is an arithmetic number, because the mean of its divisors is an integer number (2974419).

Almost surely, 2^26728325 is an apocalyptic number.

26728325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26728325 is a deficient number, since it is larger than the sum of its proper divisors (8964703).

26728325 is a wasteful number, since it uses less digits than its factorization.

26728325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82264 (or 82259 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 26728325 is about 5169.9443904166. The cubic root of 26728325 is about 298.9904024839.

The spelling of 26728325 in words is "twenty-six million, seven hundred twenty-eight thousand, three hundred twenty-five".