36721681763 has 8 divisors (see below), whose sum is σ = 40194729456. Its totient is φ = 33341248800.

The previous prime is 36721681681. The next prime is 36721681769. The reversal of 36721681763 is 36718612763.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36721681763 - 2¹⁶ = 36721616227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36721681769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23152853 + ... + 23154438.

It is an arithmetic number, because the mean of its divisors is an integer number (5024341182).

Almost surely, 2^36721681763 is an apocalyptic number.

36721681763 is a deficient number, since it is larger than the sum of its proper divisors (3473047693).

36721681763 is a wasteful number, since it uses less digits than its factorization.

36721681763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46307365.

The product of its digits is 1524096, while the sum is 50.

The spelling of 36721681763 in words is "thirty-six billion, seven hundred twenty-one million, six hundred eighty-one thousand, seven hundred sixty-three".