36728463764 has 24 divisors (see below), whose sum is σ = 64584136008. Its totient is φ = 18276013440.

The previous prime is 36728463763. The next prime is 36728463787. The reversal of 36728463764 is 46736482763.

It can be written as a sum of positive squares in 4 ways, for example, as 897002500 + 35831461264 = 29950^2 + 189292^2 .

It is a super-2 number, since 2×36728463764² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36728463763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925694 + ... + 964554.

It is an arithmetic number, because the mean of its divisors is an integer number (2691005667).

Almost surely, 2^36728463764 is an apocalyptic number.

It is an amenable number.

36728463764 is a deficient number, since it is larger than the sum of its proper divisors (27855672244).

36728463764 is a wasteful number, since it uses less digits than its factorization.

36728463764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39995 (or 39993 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 56.

The spelling of 36728463764 in words is "thirty-six billion, seven hundred twenty-eight million, four hundred sixty-three thousand, seven hundred sixty-four".