3726736689 has 16 divisors (see below), whose sum is σ = 5365204992. Its totient is φ = 2287379328.

The previous prime is 3726736687. The next prime is 3726736721. The reversal of 3726736689 is 9866376273.

It is not a de Polignac number, because 3726736689 - 2¹ = 3726736687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3726736687) 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 15 ways as a sum of consecutive naturals, for example, 109812 + ... + 139685.

It is an arithmetic number, because the mean of its divisors is an integer number (335325312).

Almost surely, 2^3726736689 is an apocalyptic number.

3726736689 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3726736689 is a deficient number, since it is larger than the sum of its proper divisors (1638468303).

3726736689 is a wasteful number, since it uses less digits than its factorization.

3726736689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249896.

The product of its digits is 13716864, while the sum is 57.

The square root of 3726736689 is about 61047.0039313970. The cubic root of 3726736689 is about 1550.3969415569.

The spelling of 3726736689 in words is "three billion, seven hundred twenty-six million, seven hundred thirty-six thousand, six hundred eighty-nine".