26672656 has 20 divisors (see below), whose sum is σ = 54398800. Its totient is φ = 12634272.

The previous prime is 26672647. The next prime is 26672683. The reversal of 26672656 is 65627662.

It is a happy number.

It is a super-2 number, since 2×26672656² = 1422861156188672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43566 + ... + 44173.

It is an arithmetic number, because the mean of its divisors is an integer number (2719940).

Almost surely, 2^26672656 is an apocalyptic number.

It is an amenable number.

26672656 is an abundant number, since it is smaller than the sum of its proper divisors (27726144).

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

26672656 is a wasteful number, since it uses less digits than its factorization.

26672656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87766 (or 87760 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 26672656 is about 5164.5576770910. The cubic root of 26672656 is about 298.7826819518.

The spelling of 26672656 in words is "twenty-six million, six hundred seventy-two thousand, six hundred fifty-six".