26730321 has 8 divisors (see below), whose sum is σ = 37516320. Its totient is φ = 16882272.

The previous prime is 26730287. The next prime is 26730329. The reversal of 26730321 is 12303762.

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

It is not a de Polignac number, because 26730321 - 2⁹ = 26729809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26730291 and 26730300.

It is not an unprimeable number, because it can be changed into a prime (26730329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234420 + ... + 234533.

It is an arithmetic number, because the mean of its divisors is an integer number (4689540).

Almost surely, 2^26730321 is an apocalyptic number.

It is an amenable number.

26730321 is a deficient number, since it is larger than the sum of its proper divisors (10785999).

26730321 is a wasteful number, since it uses less digits than its factorization.

26730321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468975.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 26730321 is about 5170.1374256397. The cubic root of 26730321 is about 298.9978449004.

The spelling of 26730321 in words is "twenty-six million, seven hundred thirty thousand, three hundred twenty-one".