728564463752 has 16 divisors (see below), whose sum is σ = 1376486298000. Its totient is φ = 361501450960.

The previous prime is 728564463751. The next prime is 728564463817. The reversal of 728564463752 is 257364465827.

It is a junction number, because it is equal to n+sod(n) for n = 728564463691 and 728564463700.

It is not an unprimeable number, because it can be changed into a prime (728564463751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347596502 + ... + 347598597.

It is an arithmetic number, because the mean of its divisors is an integer number (86030393625).

Almost surely, 2^728564463752 is an apocalyptic number.

It is an amenable number.

728564463752 is a deficient number, since it is larger than the sum of its proper divisors (647921834248).

728564463752 is a wasteful number, since it uses less digits than its factorization.

728564463752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695195236 (or 695195232 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 59.

The spelling of 728564463752 in words is "seven hundred twenty-eight billion, five hundred sixty-four million, four hundred sixty-three thousand, seven hundred fifty-two".