26739245 has 16 divisors (see below), whose sum is σ = 34906032. Its totient is φ = 19545600.

The previous prime is 26739227. The next prime is 26739259. The reversal of 26739245 is 54293762.

It can be written as a sum of positive squares in 8 ways, for example, as 1044484 + 25694761 = 1022^2 + 5069^2 .

It is not a de Polignac number, because 26739245 - 2⁸ = 26738989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26739199 and 26739208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4529 + ... + 8601.

It is an arithmetic number, because the mean of its divisors is an integer number (2181627).

Almost surely, 2^26739245 is an apocalyptic number.

It is an amenable number.

26739245 is a deficient number, since it is larger than the sum of its proper divisors (8166787).

26739245 is a wasteful number, since it uses less digits than its factorization.

26739245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192.

The product of its digits is 90720, while the sum is 38.

The square root of 26739245 is about 5171.0003867724. Note that the first 3 decimals coincide. The cubic root of 26739245 is about 299.0311149821.

The spelling of 26739245 in words is "twenty-six million, seven hundred thirty-nine thousand, two hundred forty-five".