26724641 has 4 divisors (see below), whose sum is σ = 26974512. Its totient is φ = 26474772.

The previous prime is 26724617. The next prime is 26724647. The reversal of 26724641 is 14642762.

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.

It is a cyclic number.

It is not a de Polignac number, because 26724641 - 2¹⁰ = 26723617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26724598 and 26724607.

It is not an unprimeable number, because it can be changed into a prime (26724647) 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, 124775 + ... + 124988.

It is an arithmetic number, because the mean of its divisors is an integer number (6743628).

Almost surely, 2^26724641 is an apocalyptic number.

It is an amenable number.

26724641 is a deficient number, since it is larger than the sum of its proper divisors (249871).

26724641 is a wasteful number, since it uses less digits than its factorization.

26724641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249870.

The product of its digits is 16128, while the sum is 32.

The square root of 26724641 is about 5169.5880880395. The cubic root of 26724641 is about 298.9766651066.

The spelling of 26724641 in words is "twenty-six million, seven hundred twenty-four thousand, six hundred forty-one".