26708641 has 2 divisors, whose sum is σ = 26708642. Its totient is φ = 26708640.

The previous prime is 26708609. The next prime is 26708657. The reversal of 26708641 is 14680762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16443025 + 10265616 = 4055^2 + 3204^2 .

It is a cyclic number.

It is not a de Polignac number, because 26708641 - 2⁵ = 26708609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26708597 and 26708606.

It is not a weakly prime, because it can be changed into another prime (26703641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13354320 + 13354321.

It is an arithmetic number, because the mean of its divisors is an integer number (13354321).

Almost surely, 2^26708641 is an apocalyptic number.

It is an amenable number.

26708641 is a deficient number, since it is larger than the sum of its proper divisors (1).

26708641 is an equidigital number, since it uses as much as digits as its factorization.

26708641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 26708641 is about 5168.0403442698. The cubic root of 26708641 is about 298.9169875777.

It can be divided in two parts, 2670 and 8641, that added together give a palindrome (11311).

The spelling of 26708641 in words is "twenty-six million, seven hundred eight thousand, six hundred forty-one".