26197760 has 72 divisors (see below), whose sum is σ = 63699216. Its totient is φ = 10321920.

The previous prime is 26197723. The next prime is 26197771. The reversal of 26197760 is 6779162.

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 7 ways as a sum of consecutive naturals, for example, 124055 + ... + 124265.

Almost surely, 2^26197760 is an apocalyptic number.

26197760 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 26197760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31849608).

26197760 is an abundant number, since it is smaller than the sum of its proper divisors (37501456).

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

26197760 is an equidigital number, since it uses as much as digits as its factorization.

26197760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 26197760 is about 5118.3747420446. The cubic root of 26197760 is about 296.9988171984.

The spelling of 26197760 in words is "twenty-six million, one hundred ninety-seven thousand, seven hundred sixty".