4161728 has 14 divisors (see below), whose sum is σ = 8258556. Its totient is φ = 2080832.

The previous prime is 4161727. The next prime is 4161737. The reversal of 4161728 is 8271614.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 4161728.

It is not an unprimeable number, because it can be changed into a prime (4161721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32450 + ... + 32577.

Almost surely, 2^4161728 is an apocalyptic number.

It is an amenable number.

4161728 is a deficient number, since it is larger than the sum of its proper divisors (4096828).

4161728 is an equidigital number, since it uses as much as digits as its factorization.

4161728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65039 (or 65029 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 4161728 is about 2040.0313723078. The cubic root of 4161728 is about 160.8512958959.

The spelling of 4161728 in words is "four million, one hundred sixty-one thousand, seven hundred twenty-eight".