26674639 has 2 divisors, whose sum is σ = 26674640. Its totient is φ = 26674638.

The previous prime is 26674621. The next prime is 26674657. The reversal of 26674639 is 93647662.

It is a balanced prime because it is at equal distance from previous prime (26674621) and next prime (26674657).

It is a cyclic number.

It is not a de Polignac number, because 26674639 - 2⁷ = 26674511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26674595 and 26674604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26674339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13337319 + 13337320.

It is an arithmetic number, because the mean of its divisors is an integer number (13337320).

Almost surely, 2^26674639 is an apocalyptic number.

26674639 is a deficient number, since it is larger than the sum of its proper divisors (1).

26674639 is an equidigital number, since it uses as much as digits as its factorization.

26674639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 43.

The square root of 26674639 is about 5164.7496551140. The cubic root of 26674639 is about 298.7900861810.

The spelling of 26674639 in words is "twenty-six million, six hundred seventy-four thousand, six hundred thirty-nine".