26668872 has 64 divisors (see below), whose sum is σ = 74505600. Its totient is φ = 8838720.

The previous prime is 26668853. The next prime is 26668883. The reversal of 26668872 is 27886662.

It is a happy number.

It is a super-2 number, since 2×26668872² = 1422457467504768, which contains 22 as substring.

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, 66978 + ... + 67374.

It is an arithmetic number, because the mean of its divisors is an integer number (1164150).

Almost surely, 2^26668872 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 26668872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37252800).

26668872 is an abundant number, since it is smaller than the sum of its proper divisors (47836728).

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

26668872 is a wasteful number, since it uses less digits than its factorization.

26668872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 713 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 26668872 is about 5164.1913210105. The cubic root of 26668872 is about 298.7685520362.

The spelling of 26668872 in words is "twenty-six million, six hundred sixty-eight thousand, eight hundred seventy-two".