36646791 has 8 divisors (see below), whose sum is σ = 48890880. Its totient is φ = 24416952.

The previous prime is 36646777. The next prime is 36646811. The reversal of 36646791 is 19764663.

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

It is not a de Polignac number, because 36646791 - 2⁵ = 36646759 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36646091) 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, 6516 + ... + 10758.

It is an arithmetic number, because the mean of its divisors is an integer number (6111360).

Almost surely, 2^36646791 is an apocalyptic number.

36646791 is a deficient number, since it is larger than the sum of its proper divisors (12244089).

36646791 is a wasteful number, since it uses less digits than its factorization.

36646791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125.

The product of its digits is 163296, while the sum is 42.

The square root of 36646791 is about 6053.6593065682. The cubic root of 36646791 is about 332.1584590990.

The spelling of 36646791 in words is "thirty-six million, six hundred forty-six thousand, seven hundred ninety-one".