28052726 has 8 divisors (see below), whose sum is σ = 45315984. Its totient is φ = 12947400.

The previous prime is 28052681. The next prime is 28052747. The reversal of 28052726 is 62725082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28052692 and 28052701.

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 3 ways as a sum of consecutive naturals, for example, 539450 + ... + 539501.

It is an arithmetic number, because the mean of its divisors is an integer number (5664498).

Almost surely, 2^28052726 is an apocalyptic number.

28052726 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28052726 is a deficient number, since it is larger than the sum of its proper divisors (17263258).

28052726 is a wasteful number, since it uses less digits than its factorization.

28052726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078966.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 28052726 is about 5296.4824176051. The cubic root of 28052726 is about 303.8493814702.

The spelling of 28052726 in words is "twenty-eight million, fifty-two thousand, seven hundred twenty-six".