26730656 has 24 divisors (see below), whose sum is σ = 53622324. Its totient is φ = 13112320.

The previous prime is 26730653. The next prime is 26730667. The reversal of 26730656 is 65603762.

It can be written as a sum of positive squares in 2 ways, for example, as 25847056 + 883600 = 5084^2 + 940^2 .

It is not an unprimeable number, because it can be changed into a prime (26730653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6185 + ... + 9576.

Almost surely, 2^26730656 is an apocalyptic number.

It is an amenable number.

26730656 is an abundant number, since it is smaller than the sum of its proper divisors (26891668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26730656 is a wasteful number, since it uses less digits than its factorization.

26730656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15824 (or 15816 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 26730656 is about 5170.1698231296. The cubic root of 26730656 is about 298.9990939671. Note that the first 3 decimals are identical.

The spelling of 26730656 in words is "twenty-six million, seven hundred thirty thousand, six hundred fifty-six".