36108729 has 6 divisors (see below), whose sum is σ = 52157066. Its totient is φ = 24072480.

The previous prime is 36108703. The next prime is 36108773. The reversal of 36108729 is 92780163.

It can be written as a sum of positive squares in only one way, i.e., 29452329 + 6656400 = 5427^2 + 2580^2 .

It is not a de Polignac number, because 36108729 - 2⁷ = 36108601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36108693 and 36108702.

It is not an unprimeable number, because it can be changed into a prime (36108329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2006032 + ... + 2006049.

Almost surely, 2^36108729 is an apocalyptic number.

It is an amenable number.

36108729 is a deficient number, since it is larger than the sum of its proper divisors (16048337).

36108729 is a wasteful number, since it uses less digits than its factorization.

36108729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012087 (or 4012084 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 36108729 is about 6009.0539188794. The cubic root of 36108729 is about 330.5248123103.

The spelling of 36108729 in words is "thirty-six million, one hundred eight thousand, seven hundred twenty-nine".