36685081 has 4 divisors (see below), whose sum is σ = 36824832. Its totient is φ = 36545332.

The previous prime is 36685043. The next prime is 36685123. The reversal of 36685081 is 18058663.

36685081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18058663 = 7 ⋅2579809.

It is a cyclic number.

It is not a de Polignac number, because 36685081 - 2¹⁵ = 36652313 is a prime.

It is a super-2 number, since 2×36685081² = 2691590335953122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36685081.

It is not an unprimeable number, because it can be changed into a prime (36685021) 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 3 ways as a sum of consecutive naturals, for example, 69481 + ... + 70006.

It is an arithmetic number, because the mean of its divisors is an integer number (9206208).

Almost surely, 2^36685081 is an apocalyptic number.

It is an amenable number.

36685081 is a deficient number, since it is larger than the sum of its proper divisors (139751).

36685081 is a wasteful number, since it uses less digits than its factorization.

36685081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139750.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 36685081 is about 6056.8210308709. The cubic root of 36685081 is about 332.2741028800.

The spelling of 36685081 in words is "thirty-six million, six hundred eighty-five thousand, eighty-one".