26420755 has 4 divisors (see below), whose sum is σ = 31704912. Its totient is φ = 21136600.

The previous prime is 26420749. The next prime is 26420759. The reversal of 26420755 is 55702462.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 26420755 - 2²¹ = 24323603 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26420759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2642071 + ... + 2642080.

It is an arithmetic number, because the mean of its divisors is an integer number (7926228).

Almost surely, 2^26420755 is an apocalyptic number.

26420755 is a deficient number, since it is larger than the sum of its proper divisors (5284157).

26420755 is an equidigital number, since it uses as much as digits as its factorization.

26420755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284156.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 26420755 is about 5140.1123528577. The cubic root of 26420755 is about 297.8391208563.

The spelling of 26420755 in words is "twenty-six million, four hundred twenty thousand, seven hundred fifty-five".