36720500000 has 126 divisors (see below), whose sum is σ = 90700381989. Its totient is φ = 14634000000.

The previous prime is 36720499903. The next prime is 36720500009. The reversal of 36720500000 is 502763.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 4 ways, for example, as 6261873424 + 30458626576 = 79132^2 + 174524^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=135500.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36720500009) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 135499865 + ... + 135500135.

Almost surely, 2^36720500000 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 36720500000

36720500000 is an abundant number, since it is smaller than the sum of its proper divisors (53979881989).

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

36720500000 is an frugal number, since it uses more digits than its factorization.

36720500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The spelling of 36720500000 in words is "thirty-six billion, seven hundred twenty million, five hundred thousand".