36249729 has 8 divisors (see below), whose sum is σ = 51176160. Its totient is φ = 22744896.

The previous prime is 36249709. The next prime is 36249749. The reversal of 36249729 is 92794263.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (36249709) and next prime (36249749).

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

It is not a de Polignac number, because 36249729 - 2¹¹ = 36247681 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (36249709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355339 + ... + 355440.

It is an arithmetic number, because the mean of its divisors is an integer number (6397020).

Almost surely, 2^36249729 is an apocalyptic number.

It is an amenable number.

36249729 is a deficient number, since it is larger than the sum of its proper divisors (14926431).

36249729 is a wasteful number, since it uses less digits than its factorization.

36249729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710799.

The product of its digits is 163296, while the sum is 42.

The square root of 36249729 is about 6020.7747840290. The cubic root of 36249729 is about 330.9544726739.

It can be divided in two parts, 362497 and 29, that added together give a triangular number (362526 = T₈₅₁).

The spelling of 36249729 in words is "thirty-six million, two hundred forty-nine thousand, seven hundred twenty-nine".