728967952 has 30 divisors (see below), whose sum is σ = 1419876074. Its totient is φ = 362557440.

The previous prime is 728967947. The next prime is 728967961. The reversal of 728967952 is 259769827.

It can be written as a sum of positive squares in 3 ways, for example, as 463799296 + 265168656 = 21536^2 + 16284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 728967893 and 728967902.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1263088 + ... + 1263664.

Almost surely, 2^728967952 is an apocalyptic number.

It is an amenable number.

728967952 is a deficient number, since it is larger than the sum of its proper divisors (690908122).

728967952 is an equidigital number, since it uses as much as digits as its factorization.

728967952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 860 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 55.

The square root of 728967952 is about 26999.4065119958. The cubic root of 728967952 is about 899.9868113294.

The spelling of 728967952 in words is "seven hundred twenty-eight million, nine hundred sixty-seven thousand, nine hundred fifty-two".