26734321 has 4 divisors (see below), whose sum is σ = 26979700. Its totient is φ = 26488944.

The previous prime is 26734289. The next prime is 26734327. The reversal of 26734321 is 12343762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12343762 = 2 ⋅6171881.

It can be written as a sum of positive squares in 2 ways, for example, as 21160000 + 5574321 = 4600^2 + 2361^2 .

It is a cyclic number.

It is not a de Polignac number, because 26734321 - 2⁵ = 26734289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26734321.

It is not an unprimeable number, because it can be changed into a prime (26734327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122526 + ... + 122743.

It is an arithmetic number, because the mean of its divisors is an integer number (6744925).

Almost surely, 2^26734321 is an apocalyptic number.

It is an amenable number.

26734321 is a deficient number, since it is larger than the sum of its proper divisors (245379).

26734321 is a wasteful number, since it uses less digits than its factorization.

26734321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245378.

The product of its digits is 6048, while the sum is 28.

The square root of 26734321 is about 5170.5242480816. The cubic root of 26734321 is about 299.0127584478.

The spelling of 26734321 in words is "twenty-six million, seven hundred thirty-four thousand, three hundred twenty-one".