3728735939 has 8 divisors (see below), whose sum is σ = 3922916928. Its totient is φ = 3539471040.

The previous prime is 3728735911. The next prime is 3728735971. The reversal of 3728735939 is 9395378273.

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 3728735939 - 2¹⁶ = 3728670403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3728735039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227467 + ... + 1230500.

It is an arithmetic number, because the mean of its divisors is an integer number (490364616).

Almost surely, 2^3728735939 is an apocalyptic number.

3728735939 is a deficient number, since it is larger than the sum of its proper divisors (194180989).

3728735939 is a wasteful number, since it uses less digits than its factorization.

3728735939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458045.

The product of its digits is 8573040, while the sum is 56.

The square root of 3728735939 is about 61063.3764133625. The cubic root of 3728735939 is about 1550.6741346467.

The spelling of 3728735939 in words is "three billion, seven hundred twenty-eight million, seven hundred thirty-five thousand, nine hundred thirty-nine".