728706097684 has 12 divisors (see below), whose sum is σ = 1275350315008. Its totient is φ = 364320293400.

The previous prime is 728706097663. The next prime is 728706097697. The reversal of 728706097684 is 486790607827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8138772 + ... + 8227819.

Almost surely, 2^728706097684 is an apocalyptic number.

It is an amenable number.

728706097684 is a deficient number, since it is larger than the sum of its proper divisors (546644217324).

728706097684 is a wasteful number, since it uses less digits than its factorization.

728706097684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16377726 (or 16377724 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 64.

The spelling of 728706097684 in words is "seven hundred twenty-eight billion, seven hundred six million, ninety-seven thousand, six hundred eighty-four".