26775645 has 32 divisors (see below), whose sum is σ = 46913664. Its totient is φ = 12960000.

The previous prime is 26775643. The next prime is 26775667. The reversal of 26775645 is 54657762.

It is not a de Polignac number, because 26775645 - 2¹ = 26775643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26775597 and 26775606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26775643) 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 31 ways as a sum of consecutive naturals, for example, 10770 + ... + 13020.

It is an arithmetic number, because the mean of its divisors is an integer number (1466052).

Almost surely, 2^26775645 is an apocalyptic number.

It is an amenable number.

26775645 is a deficient number, since it is larger than the sum of its proper divisors (20138019).

26775645 is a wasteful number, since it uses less digits than its factorization.

26775645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333.

The product of its digits is 352800, while the sum is 42.

The square root of 26775645 is about 5174.5188182091. The cubic root of 26775645 is about 299.1667433093.

The spelling of 26775645 in words is "twenty-six million, seven hundred seventy-five thousand, six hundred forty-five".