26247872 has 56 divisors (see below), whose sum is σ = 61020960. Its totient is φ = 10967040.

The previous prime is 26247869. The next prime is 26247887. The reversal of 26247872 is 27874262.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

26247872 is a modest number, since divided by 7872 gives 2624 as remainder.

It is an unprimeable number.

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, 17654 + ... + 19082.

It is an arithmetic number, because the mean of its divisors is an integer number (1089660).

Almost surely, 2^26247872 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 26247872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30510480).

26247872 is an abundant number, since it is smaller than the sum of its proper divisors (34773088).

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

26247872 is a wasteful number, since it uses less digits than its factorization.

26247872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1479 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 26247872 is about 5123.2677072353. The cubic root of 26247872 is about 297.1880665221.

The spelling of 26247872 in words is "twenty-six million, two hundred forty-seven thousand, eight hundred seventy-two".