36561783 has 8 divisors (see below), whose sum is σ = 48837888. Its totient is φ = 24330104.

The previous prime is 36561773. The next prime is 36561797. The reversal of 36561783 is 38716563.

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

It is a cyclic number.

It is not a de Polignac number, because 36561783 - 2⁸ = 36561527 is a prime.

It is a super-2 number, since 2×36561783² = 2673527952278178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36561703) 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, 9135 + ... + 12512.

It is an arithmetic number, because the mean of its divisors is an integer number (6104736).

Almost surely, 2^36561783 is an apocalyptic number.

36561783 is a deficient number, since it is larger than the sum of its proper divisors (12276105).

36561783 is a wasteful number, since it uses less digits than its factorization.

36561783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22213.

The product of its digits is 90720, while the sum is 39.

The square root of 36561783 is about 6046.6340223301. The cubic root of 36561783 is about 331.9014289797.

The spelling of 36561783 in words is "thirty-six million, five hundred sixty-one thousand, seven hundred eighty-three".