26428673 has 2 divisors, whose sum is σ = 26428674. Its totient is φ = 26428672.

The previous prime is 26428663. The next prime is 26428729. The reversal of 26428673 is 37682462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21464689 + 4963984 = 4633^2 + 2228^2 .

It is a cyclic number.

It is not a de Polignac number, because 26428673 - 2⁸ = 26428417 is a prime.

It is not a weakly prime, because it can be changed into another prime (26428603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13214336 + 13214337.

It is an arithmetic number, because the mean of its divisors is an integer number (13214337).

Almost surely, 2^26428673 is an apocalyptic number.

It is an amenable number.

26428673 is a deficient number, since it is larger than the sum of its proper divisors (1).

26428673 is an equidigital number, since it uses as much as digits as its factorization.

26428673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 38.

The square root of 26428673 is about 5140.8825117873. The cubic root of 26428673 is about 297.8688708844.

The spelling of 26428673 in words is "twenty-six million, four hundred twenty-eight thousand, six hundred seventy-three".