728825452 has 12 divisors (see below), whose sum is σ = 1280738536. Its totient is φ = 362900160.

The previous prime is 728825429. The next prime is 728825459. The reversal of 728825452 is 254528827.

It is a junction number, because it is equal to n+sod(n) for n = 728825399 and 728825408.

It is not an unprimeable number, because it can be changed into a prime (728825459) 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, 377058 + ... + 378985.

Almost surely, 2^728825452 is an apocalyptic number.

It is an amenable number.

728825452 is a deficient number, since it is larger than the sum of its proper divisors (551913084).

728825452 is a wasteful number, since it uses less digits than its factorization.

728825452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756288 (or 756286 counting only the distinct ones).

The product of its digits is 358400, while the sum is 43.

The square root of 728825452 is about 26996.7674361209. The cubic root of 728825452 is about 899.9281638137.

The spelling of 728825452 in words is "seven hundred twenty-eight million, eight hundred twenty-five thousand, four hundred fifty-two".