36168731 has 4 divisors (see below), whose sum is σ = 36183192. Its totient is φ = 36154272.

The previous prime is 36168697. The next prime is 36168739. The reversal of 36168731 is 13786163.

36168731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 36168731 - 2²² = 31974427 is a prime.

It is a super-2 number, since 2×36168731² = 2616354204300722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36168691 and 36168700.

It is not an unprimeable number, because it can be changed into a prime (36168739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405 + ... + 8838.

It is an arithmetic number, because the mean of its divisors is an integer number (9045798).

Almost surely, 2^36168731 is an apocalyptic number.

36168731 is a deficient number, since it is larger than the sum of its proper divisors (14461).

36168731 is a wasteful number, since it uses less digits than its factorization.

36168731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14460.

The product of its digits is 18144, while the sum is 35.

The square root of 36168731 is about 6014.0444793832. The cubic root of 36168731 is about 330.7077890716.

The spelling of 36168731 in words is "thirty-six million, one hundred sixty-eight thousand, seven hundred thirty-one".