36165729 has 16 divisors (see below), whose sum is σ = 51075072. Its totient is φ = 22715088.

The previous prime is 36165677. The next prime is 36165737. The reversal of 36165729 is 92756163.

It is not a de Polignac number, because 36165729 - 2⁷ = 36165601 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36165739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712 + ... + 8534.

It is an arithmetic number, because the mean of its divisors is an integer number (3192192).

Almost surely, 2^36165729 is an apocalyptic number.

It is an amenable number.

36165729 is a deficient number, since it is larger than the sum of its proper divisors (14909343).

36165729 is a wasteful number, since it uses less digits than its factorization.

36165729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916.

The product of its digits is 68040, while the sum is 39.

The square root of 36165729 is about 6013.7948917468. The cubic root of 36165729 is about 330.6986392506.

The spelling of 36165729 in words is "thirty-six million, one hundred sixty-five thousand, seven hundred twenty-nine".