26297568 has 96 divisors (see below), whose sum is σ = 83704320. Its totient is φ = 7966080.

The previous prime is 26297543. The next prime is 26297587. The reversal of 26297568 is 86579262.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8121 + ... + 10887.

It is an arithmetic number, because the mean of its divisors is an integer number (871920).

Almost surely, 2^26297568 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 26297568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41852160).

26297568 is an abundant number, since it is smaller than the sum of its proper divisors (57406752).

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

26297568 is a wasteful number, since it uses less digits than its factorization.

26297568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797 (or 2783 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 26297568 is about 5128.1154433183. The cubic root of 26297568 is about 297.3755070764.

The spelling of 26297568 in words is "twenty-six million, two hundred ninety-seven thousand, five hundred sixty-eight".