26856742 has 8 divisors (see below), whose sum is σ = 43947432. Its totient is φ = 12207600.

The previous prime is 26856737. The next prime is 26856751. The reversal of 26856742 is 24765862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 26856695 and 26856704.

It is a congruent number.

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, 610359 + ... + 610402.

It is an arithmetic number, because the mean of its divisors is an integer number (5493429).

Almost surely, 2^26856742 is an apocalyptic number.

26856742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26856742 is a deficient number, since it is larger than the sum of its proper divisors (17090690).

26856742 is a wasteful number, since it uses less digits than its factorization.

26856742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220774.

The product of its digits is 161280, while the sum is 40.

The square root of 26856742 is about 5182.3490812565. The cubic root of 26856742 is about 299.4684736367.

The spelling of 26856742 in words is "twenty-six million, eight hundred fifty-six thousand, seven hundred forty-two".