36236729 has 4 divisors (see below), whose sum is σ = 36248976. Its totient is φ = 36224484.

The previous prime is 36236719. The next prime is 36236773. The reversal of 36236729 is 92763263.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92763263 = 19 ⋅4882277.

It is a cyclic number.

It is not a de Polignac number, because 36236729 - 2⁴ = 36236713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36236692 and 36236701.

It is not an unprimeable number, because it can be changed into a prime (36236719) 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, 1382 + ... + 8624.

It is an arithmetic number, because the mean of its divisors is an integer number (9062244).

Almost surely, 2^36236729 is an apocalyptic number.

It is an amenable number.

36236729 is a deficient number, since it is larger than the sum of its proper divisors (12247).

36236729 is an equidigital number, since it uses as much as digits as its factorization.

36236729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246.

The product of its digits is 81648, while the sum is 38.

The square root of 36236729 is about 6019.6950919461. The cubic root of 36236729 is about 330.9149052741.

The spelling of 36236729 in words is "thirty-six million, two hundred thirty-six thousand, seven hundred twenty-nine".