36561872 has 20 divisors (see below), whose sum is σ = 71200800. Its totient is φ = 18187488.

The previous prime is 36561859. The next prime is 36561907. The reversal of 36561872 is 27816563.

36561872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2558 + ... + 8925.

It is an arithmetic number, because the mean of its divisors is an integer number (3560040).

Almost surely, 2^36561872 is an apocalyptic number.

It is an amenable number.

36561872 is a deficient number, since it is larger than the sum of its proper divisors (34638928).

36561872 is a wasteful number, since it uses less digits than its factorization.

36561872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11690 (or 11684 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 36561872 is about 6046.6413817920. The cubic root of 36561872 is about 331.9016982883.

The spelling of 36561872 in words is "thirty-six million, five hundred sixty-one thousand, eight hundred seventy-two".