36671631 has 16 divisors (see below), whose sum is σ = 50995200. Its totient is φ = 23411808.

The previous prime is 36671617. The next prime is 36671693. The reversal of 36671631 is 13617663.

36671631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36671631 - 2⁵ = 36671599 is a prime.

It is a super-2 number, since 2×36671631² = 2689617040400322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36671592 and 36671601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36671611) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9390 + ... + 12708.

It is an arithmetic number, because the mean of its divisors is an integer number (3187200).

Almost surely, 2^36671631 is an apocalyptic number.

36671631 is a deficient number, since it is larger than the sum of its proper divisors (14323569).

36671631 is a wasteful number, since it uses less digits than its factorization.

36671631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478.

The product of its digits is 13608, while the sum is 33.

The square root of 36671631 is about 6055.7106106550. The cubic root of 36671631 is about 332.2334902491.

The spelling of 36671631 in words is "thirty-six million, six hundred seventy-one thousand, six hundred thirty-one".