728476552 has 16 divisors (see below), whose sum is σ = 1366323660. Its totient is φ = 364123584.

The previous prime is 728476439. The next prime is 728476589. The reversal of 728476552 is 255674827.

It can be written as a sum of positive squares in 2 ways, for example, as 659154276 + 69322276 = 25674^2 + 8326^2 .

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, 16578 + ... + 41614.

Almost surely, 2^728476552 is an apocalyptic number.

It is an amenable number.

728476552 is a deficient number, since it is larger than the sum of its proper divisors (637847108).

728476552 is a wasteful number, since it uses less digits than its factorization.

728476552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28680 (or 28676 counting only the distinct ones).

The product of its digits is 940800, while the sum is 46.

The square root of 728476552 is about 26990.3047778272. The cubic root of 728476552 is about 899.7845377223.

It can be divided in two parts, 728476 and 552, that added together give a triangular number (729028 = T₁₂₀₇).

The spelling of 728476552 in words is "seven hundred twenty-eight million, four hundred seventy-six thousand, five hundred fifty-two".