728708627 has 8 divisors (see below), whose sum is σ = 736873200. Its totient is φ = 720569344.

The previous prime is 728708597. The next prime is 728708663. The reversal of 728708627 is 726807827.

It is a happy number.

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 728708627 - 2¹⁴ = 728692243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728701627) 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 7 ways as a sum of consecutive naturals, for example, 54899 + ... + 66867.

It is an arithmetic number, because the mean of its divisors is an integer number (92109150).

Almost surely, 2^728708627 is an apocalyptic number.

728708627 is a deficient number, since it is larger than the sum of its proper divisors (8164573).

728708627 is a wasteful number, since it uses less digits than its factorization.

728708627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12645.

The product of its (nonzero) digits is 526848, while the sum is 47.

The square root of 728708627 is about 26994.6036644363. The cubic root of 728708627 is about 899.8800774370.

The spelling of 728708627 in words is "seven hundred twenty-eight million, seven hundred eight thousand, six hundred twenty-seven".