36720236 has 48 divisors (see below), whose sum is σ = 80693760. Its totient is φ = 14256000.

The previous prime is 36720197. The next prime is 36720251. The reversal of 36720236 is 63202763.

It is a junction number, because it is equal to n+sod(n) for n = 36720199 and 36720208.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10736 + ... + 13736.

It is an arithmetic number, because the mean of its divisors is an integer number (1681120).

Almost surely, 2^36720236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36720236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40346880).

36720236 is an abundant number, since it is smaller than the sum of its proper divisors (43973524).

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

36720236 is a wasteful number, since it uses less digits than its factorization.

36720236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 3052 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 36720236 is about 6059.7224358876. The cubic root of 36720236 is about 332.3802074731.

Adding to 36720236 its reverse (63202763), we get a palindrome (99922999).

The spelling of 36720236 in words is "thirty-six million, seven hundred twenty thousand, two hundred thirty-six".