36564681 has 8 divisors (see below), whose sum is σ = 49552384. Its totient is φ = 23976720.

The previous prime is 36564677. The next prime is 36564701. The reversal of 36564681 is 18646563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36564681 - 2² = 36564677 is a prime.

It is a super-2 number, since 2×36564681² = 2673951793263522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36564611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99721 + ... + 100086.

It is an arithmetic number, because the mean of its divisors is an integer number (6194048).

Almost surely, 2^36564681 is an apocalyptic number.

It is an amenable number.

36564681 is a deficient number, since it is larger than the sum of its proper divisors (12987703).

36564681 is a wasteful number, since it uses less digits than its factorization.

36564681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199871.

The product of its digits is 103680, while the sum is 39.

The square root of 36564681 is about 6046.8736550386. The cubic root of 36564681 is about 331.9101979259.

The spelling of 36564681 in words is "thirty-six million, five hundred sixty-four thousand, six hundred eighty-one".