26723872 has 48 divisors (see below), whose sum is σ = 61290432. Its totient is φ = 11232000.

The previous prime is 26723849. The next prime is 26723929. The reversal of 26723872 is 27832762.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10747 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (1276884).

Almost surely, 2^26723872 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 26723872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30645216).

26723872 is an abundant number, since it is smaller than the sum of its proper divisors (34566560).

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

26723872 is a wasteful number, since it uses less digits than its factorization.

26723872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321 (or 2313 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 26723872 is about 5169.5137102052. The cubic root of 26723872 is about 298.9737974003.

The spelling of 26723872 in words is "twenty-six million, seven hundred twenty-three thousand, eight hundred seventy-two".