26607641 has 4 divisors (see below), whose sum is σ = 27465984. Its totient is φ = 25749300.

The previous prime is 26607611. The next prime is 26607649. The reversal of 26607641 is 14670662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14670662 = 2 ⋅7335331.

It is a cyclic number.

It is not a de Polignac number, because 26607641 - 2¹⁸ = 26345497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26607598 and 26607607.

It is not an unprimeable number, because it can be changed into a prime (26607649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429125 + ... + 429186.

It is an arithmetic number, because the mean of its divisors is an integer number (6866496).

Almost surely, 2^26607641 is an apocalyptic number.

It is an amenable number.

26607641 is a deficient number, since it is larger than the sum of its proper divisors (858343).

26607641 is an equidigital number, since it uses as much as digits as its factorization.

26607641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858342.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 26607641 is about 5158.2594932787. The cubic root of 26607641 is about 298.5397220122.

It can be divided in two parts, 2660 and 7641, that added together give a palindrome (10301).

The spelling of 26607641 in words is "twenty-six million, six hundred seven thousand, six hundred forty-one".