3600720036 has 81 divisors (see below), whose sum is σ = 9296061411. Its totient is φ = 1175157504.

The previous prime is 3600719977. The next prime is 3600720049. The reversal of 3600720036 is 6300270063.

The square root of 3600720036 is 60006.

It is a perfect power (a square), and thus also a powerful number.

3600720036 is a `hidden beast` number, since 3 + 600 + 7 + 20 + 0 + 36 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 86601636 + 3514118400 = 9306^2 + 59280^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3600719991 and 3600720009.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 26282560 + ... + 26282696.

Almost surely, 2^3600720036 is an apocalyptic number.

3600720036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

3600720036 is the 60006-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3600720036

3600720036 is an abundant number, since it is smaller than the sum of its proper divisors (5695341375).

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

3600720036 is a wasteful number, since it uses less digits than its factorization.

3600720036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The cubic root of 3600720036 is about 1532.7210376753.

Adding to 3600720036 its reverse (6300270063), we get a palindrome (9900990099).

The spelling of 3600720036 in words is "three billion, six hundred million, seven hundred twenty thousand, thirty-six".