26821072 has 20 divisors (see below), whose sum is σ = 52114720. Its totient is φ = 13372128.

The previous prime is 26821061. The next prime is 26821111. The reversal of 26821072 is 27012862.

It is a self number, because there is not a number n which added to its sum of digits gives 26821072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3853 + ... + 8275.

It is an arithmetic number, because the mean of its divisors is an integer number (2605736).

Almost surely, 2^26821072 is an apocalyptic number.

It is an amenable number.

26821072 is a deficient number, since it is larger than the sum of its proper divisors (25293648).

26821072 is a wasteful number, since it uses less digits than its factorization.

26821072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810 (or 4804 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 26821072 is about 5178.9064482765. The cubic root of 26821072 is about 299.3358344023.

The spelling of 26821072 in words is "twenty-six million, eight hundred twenty-one thousand, seventy-two".