3728911573 has 4 divisors (see below), whose sum is σ = 3743090208. Its totient is φ = 3714732940.

The previous prime is 3728911531. The next prime is 3728911591. The reversal of 3728911573 is 3751198273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3728911573 - 2⁹ = 3728911061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728911873) 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 3 ways as a sum of consecutive naturals, for example, 7088923 + ... + 7089448.

It is an arithmetic number, because the mean of its divisors is an integer number (935772552).

Almost surely, 2^3728911573 is an apocalyptic number.

It is an amenable number.

3728911573 is a deficient number, since it is larger than the sum of its proper divisors (14178635).

3728911573 is a wasteful number, since it uses less digits than its factorization.

3728911573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14178634.

The product of its digits is 317520, while the sum is 46.

The square root of 3728911573 is about 61064.8145252239. The cubic root of 3728911573 is about 1550.6984813091.

The spelling of 3728911573 in words is "three billion, seven hundred twenty-eight million, nine hundred eleven thousand, five hundred seventy-three".