26730751 has 2 divisors, whose sum is σ = 26730752. Its totient is φ = 26730750.

The previous prime is 26730727. The next prime is 26730791. The reversal of 26730751 is 15703762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26730751 - 2¹⁹ = 26206463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26730791) 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 as a sum of consecutive naturals, namely, 13365375 + 13365376.

It is an arithmetic number, because the mean of its divisors is an integer number (13365376).

Almost surely, 2^26730751 is an apocalyptic number.

26730751 is a deficient number, since it is larger than the sum of its proper divisors (1).

26730751 is an equidigital number, since it uses as much as digits as its factorization.

26730751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 26730751 is about 5170.1790104405. The cubic root of 26730751 is about 298.9994481782. Note that the first 3 decimals are identical.

The spelling of 26730751 in words is "twenty-six million, seven hundred thirty thousand, seven hundred fifty-one".