36724161 has 4 divisors (see below), whose sum is σ = 48965552. Its totient is φ = 24482772.

The previous prime is 36724157. The next prime is 36724187. The reversal of 36724161 is 16142763.

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.

It is not a de Polignac number, because 36724161 - 2² = 36724157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36724141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6120691 + ... + 6120696.

It is an arithmetic number, because the mean of its divisors is an integer number (12241388).

Almost surely, 2^36724161 is an apocalyptic number.

It is an amenable number.

36724161 is a deficient number, since it is larger than the sum of its proper divisors (12241391).

36724161 is a wasteful number, since it uses less digits than its factorization.

36724161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12241390.

The product of its digits is 6048, while the sum is 30.

The square root of 36724161 is about 6060.0462869519. The cubic root of 36724161 is about 332.3920496794.

The spelling of 36724161 in words is "thirty-six million, seven hundred twenty-four thousand, one hundred sixty-one".