26974528 has 56 divisors (see below), whose sum is σ = 64414400. Its totient is φ = 10948608.

The previous prime is 26974523. The next prime is 26974531. The reversal of 26974528 is 82547962.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26974523) 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 7 ways as a sum of consecutive naturals, for example, 6928 + ... + 10096.

Almost surely, 2^26974528 is an apocalyptic number.

26974528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26974528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32207200).

26974528 is an abundant number, since it is smaller than the sum of its proper divisors (37439872).

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

26974528 is a wasteful number, since it uses less digits than its factorization.

26974528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207 (or 3197 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 26974528 is about 5193.7008000076. The cubic root of 26974528 is about 299.9056295764.

It can be divided in two parts, 2697 and 4528, that added together give a square (7225 = 85²).

The spelling of 26974528 in words is "twenty-six million, nine hundred seventy-four thousand, five hundred twenty-eight".