36681608 has 16 divisors (see below), whose sum is σ = 69388380. Its totient is φ = 18178048.

The previous prime is 36681599. The next prime is 36681643. The reversal of 36681608 is 80618663.

It can be written as a sum of positive squares in 2 ways, for example, as 34316164 + 2365444 = 5858^2 + 1538^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19385 + ... + 21192.

Almost surely, 2^36681608 is an apocalyptic number.

It is an amenable number.

36681608 is a deficient number, since it is larger than the sum of its proper divisors (32706772).

36681608 is a wasteful number, since it uses less digits than its factorization.

36681608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40696 (or 40692 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 36681608 is about 6056.5343225313. The cubic root of 36681608 is about 332.2636170154.

The spelling of 36681608 in words is "thirty-six million, six hundred eighty-one thousand, six hundred eight".