36705818 has 4 divisors (see below), whose sum is σ = 55058730. Its totient is φ = 18352908.

The previous prime is 36705817. The next prime is 36705821. The reversal of 36705818 is 81850763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81850763 = 509 ⋅160807.

It can be written as a sum of positive squares in only one way, i.e., 20729809 + 15976009 = 4553^2 + 3997^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (36705817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9176453 + ... + 9176456.

Almost surely, 2^36705818 is an apocalyptic number.

36705818 is a deficient number, since it is larger than the sum of its proper divisors (18352912).

36705818 is a wasteful number, since it uses less digits than its factorization.

36705818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18352911.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 36705818 is about 6058.5326606366. The cubic root of 36705818 is about 332.3366993542.

The spelling of 36705818 in words is "thirty-six million, seven hundred five thousand, eight hundred eighteen".