36067861 has 4 divisors (see below), whose sum is σ = 36095724. Its totient is φ = 36040000.

The previous prime is 36067831. The next prime is 36067877. The reversal of 36067861 is 16876063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16876063 = 419 ⋅40277.

It can be written as a sum of positive squares in 2 ways, for example, as 9090225 + 26977636 = 3015^2 + 5194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36067861 is a prime.

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 36067861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36067831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11890 + ... + 14611.

It is an arithmetic number, because the mean of its divisors is an integer number (9023931).

Almost surely, 2^36067861 is an apocalyptic number.

It is an amenable number.

36067861 is a deficient number, since it is larger than the sum of its proper divisors (27863).

36067861 is a wasteful number, since it uses less digits than its factorization.

36067861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27862.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 36067861 is about 6005.6524208449. The cubic root of 36067861 is about 330.4000688138.

The spelling of 36067861 in words is "thirty-six million, sixty-seven thousand, eight hundred sixty-one".