36989729 has 8 divisors (see below), whose sum is σ = 42967488. Its totient is φ = 31185360.

The previous prime is 36989723. The next prime is 36989731. The reversal of 36989729 is 92798963.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36989729 - 2⁸ = 36989473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36989723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42887 + ... + 43740.

It is an arithmetic number, because the mean of its divisors is an integer number (5370936).

Almost surely, 2^36989729 is an apocalyptic number.

It is an amenable number.

36989729 is a deficient number, since it is larger than the sum of its proper divisors (5977759).

36989729 is an equidigital number, since it uses as much as digits as its factorization.

36989729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86695.

The product of its digits is 1469664, while the sum is 53.

The square root of 36989729 is about 6081.9182006995. The cubic root of 36989729 is about 333.1913487519.

The spelling of 36989729 in words is "thirty-six million, nine hundred eighty-nine thousand, seven hundred twenty-nine".