36068731 has 4 divisors (see below), whose sum is σ = 36118672. Its totient is φ = 36018792.

The previous prime is 36068719. The next prime is 36068741. The reversal of 36068731 is 13786063.

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 36068731 - 2⁵ = 36068699 is a prime.

It is a super-2 number, since 2×36068731² = 2601906711900722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36068741) 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, 23871 + ... + 25336.

It is an arithmetic number, because the mean of its divisors is an integer number (9029668).

Almost surely, 2^36068731 is an apocalyptic number.

36068731 is a deficient number, since it is larger than the sum of its proper divisors (49941).

36068731 is an equidigital number, since it uses as much as digits as its factorization.

36068731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49940.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 36068731 is about 6005.7248521723. The cubic root of 36068731 is about 330.4027253409.

The spelling of 36068731 in words is "thirty-six million, sixty-eight thousand, seven hundred thirty-one".