3790728161 has 16 divisors (see below), whose sum is σ = 4167529920. Its totient is φ = 3419398080.

The previous prime is 3790728101. The next prime is 3790728191. The reversal of 3790728161 is 1618270973.

3790728161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3790728161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3790728101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789155 + ... + 793943.

It is an arithmetic number, because the mean of its divisors is an integer number (260470620).

Almost surely, 2^3790728161 is an apocalyptic number.

It is an amenable number.

3790728161 is a deficient number, since it is larger than the sum of its proper divisors (376801759).

3790728161 is a wasteful number, since it uses less digits than its factorization.

3790728161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5344.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 3790728161 is about 61568.8895547094. The cubic root of 3790728161 is about 1559.2205399548.

The spelling of 3790728161 in words is "three billion, seven hundred ninety million, seven hundred twenty-eight thousand, one hundred sixty-one".