36021732 has 12 divisors (see below), whose sum is σ = 84050736. Its totient is φ = 12007240.

The previous prime is 36021731. The next prime is 36021767. The reversal of 36021732 is 23712063.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (36021731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500894 + ... + 1500917.

It is an arithmetic number, because the mean of its divisors is an integer number (7004228).

Almost surely, 2^36021732 is an apocalyptic number.

It is an amenable number.

36021732 is an abundant number, since it is smaller than the sum of its proper divisors (48029004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36021732 is a wasteful number, since it uses less digits than its factorization.

36021732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001818 (or 3001816 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 36021732 is about 6001.8107267724. The cubic root of 36021732 is about 330.2591536382.

Adding to 36021732 its reverse (23712063), we get a palindrome (59733795).

The spelling of 36021732 in words is "thirty-six million, twenty-one thousand, seven hundred thirty-two".