26940729 has 16 divisors (see below), whose sum is σ = 36949248. Its totient is φ = 17452032.

The previous prime is 26940713. The next prime is 26940761. The reversal of 26940729 is 92704962.

It is not a de Polignac number, because 26940729 - 2⁴ = 26940713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26940769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21529 + ... + 22745.

It is an arithmetic number, because the mean of its divisors is an integer number (2309328).

Almost surely, 2^26940729 is an apocalyptic number.

It is an amenable number.

26940729 is a deficient number, since it is larger than the sum of its proper divisors (10008519).

26940729 is a wasteful number, since it uses less digits than its factorization.

26940729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 26940729 is about 5190.4459345995. The cubic root of 26940729 is about 299.7803169482.

The spelling of 26940729 in words is "twenty-six million, nine hundred forty thousand, seven hundred twenty-nine".