36746181 has 6 divisors (see below), whose sum is σ = 53077830. Its totient is φ = 24497448.

The previous prime is 36746173. The next prime is 36746183. The reversal of 36746181 is 18164763.

36746181 is a `hidden beast` number, since 36 + 7 + 4 + 618 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23677956 + 13068225 = 4866^2 + 3615^2 .

It is not a de Polignac number, because 36746181 - 2³ = 36746173 is a prime.

It is a super-2 number, since 2×36746181² = 2700563636169522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36746183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2041446 + ... + 2041463.

It is an arithmetic number, because the mean of its divisors is an integer number (8846305).

Almost surely, 2^36746181 is an apocalyptic number.

It is an amenable number.

36746181 is a deficient number, since it is larger than the sum of its proper divisors (16331649).

36746181 is a wasteful number, since it uses less digits than its factorization.

36746181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082915 (or 4082912 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 36746181 is about 6061.8628324963. The cubic root of 36746181 is about 332.4584710791.

The spelling of 36746181 in words is "thirty-six million, seven hundred forty-six thousand, one hundred eighty-one".