36365729 has 4 divisors (see below), whose sum is σ = 37252740. Its totient is φ = 35478720.

The previous prime is 36365717. The next prime is 36365741. The reversal of 36365729 is 92756363.

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

It is an interprime number because it is at equal distance from previous prime (36365717) and next prime (36365741).

It can be written as a sum of positive squares in 2 ways, for example, as 13104400 + 23261329 = 3620^2 + 4823^2 .

It is a cyclic number.

It is not a de Polignac number, because 36365729 - 2⁴ = 36365713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 886969 = 36365729 / (3 + 6 + 3 + 6 + 5 + 7 + 2 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36365629) 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, 443444 + ... + 443525.

It is an arithmetic number, because the mean of its divisors is an integer number (9313185).

Almost surely, 2^36365729 is an apocalyptic number.

It is an amenable number.

36365729 is a deficient number, since it is larger than the sum of its proper divisors (887011).

36365729 is an equidigital number, since it uses as much as digits as its factorization.

36365729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887010.

The product of its digits is 204120, while the sum is 41.

The square root of 36365729 is about 6030.4004013001. The cubic root of 36365729 is about 331.3071175269.

The spelling of 36365729 in words is "thirty-six million, three hundred sixty-five thousand, seven hundred twenty-nine".