26970173 has 2 divisors, whose sum is σ = 26970174. Its totient is φ = 26970172.

The previous prime is 26970133. The next prime is 26970179. The reversal of 26970173 is 37107962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21780889 + 5189284 = 4667^2 + 2278^2 .

It is a cyclic number.

It is not a de Polignac number, because 26970173 - 2¹² = 26966077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26970179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13485086 + 13485087.

It is an arithmetic number, because the mean of its divisors is an integer number (13485087).

Almost surely, 2^26970173 is an apocalyptic number.

It is an amenable number.

26970173 is a deficient number, since it is larger than the sum of its proper divisors (1).

26970173 is an equidigital number, since it uses as much as digits as its factorization.

26970173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 26970173 is about 5193.2815252016. The cubic root of 26970173 is about 299.8894889256.

The spelling of 26970173 in words is "twenty-six million, nine hundred seventy thousand, one hundred seventy-three".