26704128 has 144 divisors (see below), whose sum is σ = 80942400. Its totient is φ = 7741440.

The previous prime is 26704109. The next prime is 26704129. The reversal of 26704128 is 82140762.

It is a super-2 number, since 2×26704128² = 1426220904480768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26704095 and 26704104.

It is not an unprimeable number, because it can be changed into a prime (26704129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244938 + ... + 245046.

It is an arithmetic number, because the mean of its divisors is an integer number (562100).

Almost surely, 2^26704128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26704128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40471200).

26704128 is an abundant number, since it is smaller than the sum of its proper divisors (54238272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26704128 is a wasteful number, since it uses less digits than its factorization.

26704128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 26704128 is about 5167.6036999755. The cubic root of 26704128 is about 298.9001504755.

The spelling of 26704128 in words is "twenty-six million, seven hundred four thousand, one hundred twenty-eight".