26421768 has 32 divisors (see below), whose sum is σ = 73394400. Its totient is φ = 8807184.

The previous prime is 26421751. The next prime is 26421797. The reversal of 26421768 is 86712462.

26421768 is a `hidden beast` number, since 2 + 642 + 1 + 7 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60946 + ... + 61377.

It is an arithmetic number, because the mean of its divisors is an integer number (2293575).

Almost surely, 2^26421768 is an apocalyptic number.

It is an amenable number.

26421768 is an abundant number, since it is smaller than the sum of its proper divisors (46972632).

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

26421768 is a wasteful number, since it uses less digits than its factorization.

26421768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122338 (or 122328 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 26421768 is about 5140.2108906153. The cubic root of 26421768 is about 297.8429272978.

The spelling of 26421768 in words is "twenty-six million, four hundred twenty-one thousand, seven hundred sixty-eight".