728464852 has 6 divisors (see below), whose sum is σ = 1274813498. Its totient is φ = 364232424.

The previous prime is 728464831. The next prime is 728464853. The reversal of 728464852 is 258464827.

It can be written as a sum of positive squares in only one way, i.e., 631717956 + 96746896 = 25134^2 + 9836^2 .

It is a super-2 number, since 2×728464852² = 1061322081198763808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728464853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91058103 + ... + 91058110.

Almost surely, 2^728464852 is an apocalyptic number.

It is an amenable number.

728464852 is a deficient number, since it is larger than the sum of its proper divisors (546348646).

728464852 is a wasteful number, since it uses less digits than its factorization.

728464852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182116217 (or 182116215 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The square root of 728464852 is about 26990.0880324611. The cubic root of 728464852 is about 899.7797205755.

It can be divided in two parts, 728464 and 852, that added together give a square (729316 = 854²).

The spelling of 728464852 in words is "seven hundred twenty-eight million, four hundred sixty-four thousand, eight hundred fifty-two".