36378081 has 12 divisors (see below), whose sum is σ = 52629460. Its totient is φ = 24213600.

The previous prime is 36378061. The next prime is 36378101. The reversal of 36378081 is 18087363.

It is an interprime number because it is at equal distance from previous prime (36378061) and next prime (36378101).

It can be written as a sum of positive squares in 2 ways, for example, as 17715681 + 18662400 = 4209^2 + 4320^2 .

It is not a de Polignac number, because 36378081 - 2¹⁴ = 36361697 is a prime.

It is a super-2 number, since 2×36378081² = 2646729554485122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36378031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3531 + ... + 9231.

Almost surely, 2^36378081 is an apocalyptic number.

It is an amenable number.

36378081 is a deficient number, since it is larger than the sum of its proper divisors (16251379).

36378081 is a wasteful number, since it uses less digits than its factorization.

36378081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416 (or 6413 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 36378081 is about 6031.4244586167. The cubic root of 36378081 is about 331.3446239227.

The spelling of 36378081 in words is "thirty-six million, three hundred seventy-eight thousand, eighty-one".