728104211 has 8 divisors (see below), whose sum is σ = 741857280. Its totient is φ = 714464712.

The previous prime is 728104207. The next prime is 728104217. The reversal of 728104211 is 112401827.

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 728104211 - 2² = 728104207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728104217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15395 + ... + 41148.

It is an arithmetic number, because the mean of its divisors is an integer number (92732160).

Almost surely, 2^728104211 is an apocalyptic number.

728104211 is a deficient number, since it is larger than the sum of its proper divisors (13753069).

728104211 is a wasteful number, since it uses less digits than its factorization.

728104211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56785.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 728104211 is about 26983.4062156726. The cubic root of 728104211 is about 899.6312114554.

The spelling of 728104211 in words is "seven hundred twenty-eight million, one hundred four thousand, two hundred eleven".