26672081 has 2 divisors, whose sum is σ = 26672082. Its totient is φ = 26672080.

The previous prime is 26672069. The next prime is 26672089. The reversal of 26672081 is 18027662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23193856 + 3478225 = 4816^2 + 1865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26672081 is a prime.

It is a super-2 number, since 2×26672081² = 1422799809741122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (26672089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13336040 + 13336041.

It is an arithmetic number, because the mean of its divisors is an integer number (13336041).

Almost surely, 2^26672081 is an apocalyptic number.

It is an amenable number.

26672081 is a deficient number, since it is larger than the sum of its proper divisors (1).

26672081 is an equidigital number, since it uses as much as digits as its factorization.

26672081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 26672081 is about 5164.5020089066. The cubic root of 26672081 is about 298.7805349181.

The spelling of 26672081 in words is "twenty-six million, six hundred seventy-two thousand, eighty-one".