3728045573 has 4 divisors (see below), whose sum is σ = 4260623520. Its totient is φ = 3195467628.

The previous prime is 3728045569. The next prime is 3728045603. The reversal of 3728045573 is 3755408273.

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 3728045573 - 2² = 3728045569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728045543) 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, 266288963 + ... + 266288976.

It is an arithmetic number, because the mean of its divisors is an integer number (1065155880).

Almost surely, 2^3728045573 is an apocalyptic number.

It is an amenable number.

3728045573 is a deficient number, since it is larger than the sum of its proper divisors (532577947).

3728045573 is an equidigital number, since it uses as much as digits as its factorization.

3728045573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532577946.

The product of its (nonzero) digits is 705600, while the sum is 44.

The square root of 3728045573 is about 61057.7232870666. The cubic root of 3728045573 is about 1550.5784276124.

The spelling of 3728045573 in words is "three billion, seven hundred twenty-eight million, forty-five thousand, five hundred seventy-three".