26533872 has 80 divisors (see below), whose sum is σ = 80664480. Its totient is φ = 8322048.

The previous prime is 26533853. The next prime is 26533879. The reversal of 26533872 is 27833562.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26533879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5538 + ... + 9150.

It is an arithmetic number, because the mean of its divisors is an integer number (1008306).

Almost surely, 2^26533872 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 26533872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40332240).

26533872 is an abundant number, since it is smaller than the sum of its proper divisors (54130608).

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

26533872 is a wasteful number, since it uses less digits than its factorization.

26533872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647 (or 3635 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 26533872 is about 5151.1039593470. The cubic root of 26533872 is about 298.2635687464.

The spelling of 26533872 in words is "twenty-six million, five hundred thirty-three thousand, eight hundred seventy-two".