26842645 has 8 divisors (see below), whose sum is σ = 32819256. Its totient is φ = 21068736.

The previous prime is 26842619. The next prime is 26842663. The reversal of 26842645 is 54624862.

It can be written as a sum of positive squares in 4 ways, for example, as 13490929 + 13351716 = 3673^2 + 3654^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26842645 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 50382 + ... + 50911.

It is an arithmetic number, because the mean of its divisors is an integer number (4102407).

Almost surely, 2^26842645 is an apocalyptic number.

It is an amenable number.

26842645 is a deficient number, since it is larger than the sum of its proper divisors (5976611).

26842645 is a wasteful number, since it uses less digits than its factorization.

26842645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101351.

The product of its digits is 92160, while the sum is 37.

The square root of 26842645 is about 5180.9888052379. The cubic root of 26842645 is about 299.4160678520.

It can be divided in two parts, 2684 and 2645, that added together give a square (5329 = 73²).

The spelling of 26842645 in words is "twenty-six million, eight hundred forty-two thousand, six hundred forty-five".