36067891 has 2 divisors, whose sum is σ = 36067892. Its totient is φ = 36067890.

The previous prime is 36067883. The next prime is 36067903. The reversal of 36067891 is 19876063.

It is a weak prime.

It is an emirp because it is prime and its reverse (19876063) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36067891 - 2³ = 36067883 is a prime.

It is a super-4 number, since 4×36067891⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (36067831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18033945 + 18033946.

It is an arithmetic number, because the mean of its divisors is an integer number (18033946).

Almost surely, 2^36067891 is an apocalyptic number.

36067891 is a deficient number, since it is larger than the sum of its proper divisors (1).

36067891 is an equidigital number, since it uses as much as digits as its factorization.

36067891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 36067891 is about 6005.6549184914. The cubic root of 36067891 is about 330.4001604189.

The spelling of 36067891 in words is "thirty-six million, sixty-seven thousand, eight hundred ninety-one".