26734969 has 4 divisors (see below), whose sum is σ = 26771044. Its totient is φ = 26698896.

The previous prime is 26734951. The next prime is 26734973. The reversal of 26734969 is 96943762.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15093225 + 11641744 = 3885^2 + 3412^2 .

It is a cyclic number.

It is not a de Polignac number, because 26734969 - 2⁹ = 26734457 is a prime.

It is a super-2 number, since 2×26734969² = 1429517134861922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26734909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16902 + ... + 18415.

It is an arithmetic number, because the mean of its divisors is an integer number (6692761).

Almost surely, 2^26734969 is an apocalyptic number.

It is an amenable number.

26734969 is a deficient number, since it is larger than the sum of its proper divisors (36075).

26734969 is an equidigital number, since it uses as much as digits as its factorization.

26734969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36074.

The product of its digits is 489888, while the sum is 46.

The square root of 26734969 is about 5170.5869105934. The cubic root of 26734969 is about 299.0151743025.

The spelling of 26734969 in words is "twenty-six million, seven hundred thirty-four thousand, nine hundred sixty-nine".