26730061 has 2 divisors, whose sum is σ = 26730062. Its totient is φ = 26730060.

The previous prime is 26730059. The next prime is 26730079. The reversal of 26730061 is 16003762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20529961 + 6200100 = 4531^2 + 2490^2 .

It is a cyclic number.

It is not a de Polignac number, because 26730061 - 2¹ = 26730059 is a prime.

It is a super-2 number, since 2×26730061² = 1428992322127442, which contains 22 as substring.

Together with 26730059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26730161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13365030 + 13365031.

It is an arithmetic number, because the mean of its divisors is an integer number (13365031).

Almost surely, 2^26730061 is an apocalyptic number.

It is an amenable number.

26730061 is a deficient number, since it is larger than the sum of its proper divisors (1).

26730061 is an equidigital number, since it uses as much as digits as its factorization.

26730061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 26730061 is about 5170.1122811792. The cubic root of 26730061 is about 298.9968754684.

The spelling of 26730061 in words is "twenty-six million, seven hundred thirty thousand, sixty-one".