26709641 has 8 divisors (see below), whose sum is σ = 30561984. Its totient is φ = 22866480.

The previous prime is 26709637. The next prime is 26709653. The reversal of 26709641 is 14690762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26709641 - 2² = 26709637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26709691) 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 in 7 ways as a sum of consecutive naturals, for example, 5906 + ... + 9396.

It is an arithmetic number, because the mean of its divisors is an integer number (3820248).

Almost surely, 2^26709641 is an apocalyptic number.

It is an amenable number.

26709641 is a deficient number, since it is larger than the sum of its proper divisors (3852343).

26709641 is a wasteful number, since it uses less digits than its factorization.

26709641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 26709641 is about 5168.1370918349. The cubic root of 26709641 is about 298.9207181214.

The spelling of 26709641 in words is "twenty-six million, seven hundred nine thousand, six hundred forty-one".