728536552 has 16 divisors (see below), whose sum is σ = 1366574400. Its totient is φ = 364116720.

The previous prime is 728536541. The next prime is 728536559. The reversal of 728536552 is 255635827.

It is a junction number, because it is equal to n+sod(n) for n = 728536499 and 728536508.

It is not an unprimeable number, because it can be changed into a prime (728536559) 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, 2977 + ... + 38287.

It is an arithmetic number, because the mean of its divisors is an integer number (85410900).

Almost surely, 2^728536552 is an apocalyptic number.

It is an amenable number.

728536552 is a deficient number, since it is larger than the sum of its proper divisors (638037848).

728536552 is a wasteful number, since it uses less digits than its factorization.

728536552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37896 (or 37892 counting only the distinct ones).

The product of its digits is 504000, while the sum is 43.

The square root of 728536552 is about 26991.4162651759. The cubic root of 728536552 is about 899.8092402287.

The spelling of 728536552 in words is "seven hundred twenty-eight million, five hundred thirty-six thousand, five hundred fifty-two".