26744320 has 80 divisors (see below), whose sum is σ = 66388608. Its totient is φ = 10321920.

The previous prime is 26744317. The next prime is 26744327. The reversal of 26744320 is 2344762.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26744327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79192 + ... + 79528.

Almost surely, 2^26744320 is an apocalyptic number.

26744320 is a gapful number since it is divisible by the number (20) 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 26744320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33194304).

26744320 is an abundant number, since it is smaller than the sum of its proper divisors (39644288).

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

26744320 is an equidigital number, since it uses as much as digits as its factorization.

26744320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 26744320 is about 5171.4910809166. The cubic root of 26744320 is about 299.0500320820.

The spelling of 26744320 in words is "twenty-six million, seven hundred forty-four thousand, three hundred twenty".