728347201 has 16 divisors (see below), whose sum is σ = 814606848. Its totient is φ = 647942400.

The previous prime is 728347199. The next prime is 728347219. The reversal of 728347201 is 102743827.

It is a cyclic number.

It is not a de Polignac number, because 728347201 - 2¹ = 728347199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728347231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6591 + ... + 38731.

It is an arithmetic number, because the mean of its divisors is an integer number (50912928).

Almost surely, 2^728347201 is an apocalyptic number.

It is an amenable number.

728347201 is a deficient number, since it is larger than the sum of its proper divisors (86259647).

728347201 is a wasteful number, since it uses less digits than its factorization.

728347201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32232.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 728347201 is about 26987.9084221064. The cubic root of 728347201 is about 899.7312782093.

The spelling of 728347201 in words is "seven hundred twenty-eight million, three hundred forty-seven thousand, two hundred one".