36718081 has 4 divisors (see below), whose sum is σ = 36759472. Its totient is φ = 36676692.

The previous prime is 36718069. The next prime is 36718093. The reversal of 36718081 is 18081763.

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: 18081763 = 7 ⋅2583109.

It is an interprime number because it is at equal distance from previous prime (36718069) and next prime (36718093).

It is a cyclic number.

It is not a de Polignac number, because 36718081 - 2⁵ = 36718049 is a prime.

It is a super-2 number, since 2×36718081² = 2696434944645122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36718021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19335 + ... + 21148.

It is an arithmetic number, because the mean of its divisors is an integer number (9189868).

Almost surely, 2^36718081 is an apocalyptic number.

It is an amenable number.

36718081 is a deficient number, since it is larger than the sum of its proper divisors (41391).

36718081 is an equidigital number, since it uses as much as digits as its factorization.

36718081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41390.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 36718081 is about 6059.5446198539. The cubic root of 36718081 is about 332.3737052150.

The spelling of 36718081 in words is "thirty-six million, seven hundred eighteen thousand, eighty-one".