728877316 has 48 divisors (see below), whose sum is σ = 1377331200. Its totient is φ = 336413088.

The previous prime is 728877299. The next prime is 728877323. The reversal of 728877316 is 613778827.

728877316 = 3915² + 3916² + ... + 3961².

It is a self number, because there is not a number n which added to its sum of digits gives 728877316.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1496425 + ... + 1496911.

It is an arithmetic number, because the mean of its divisors is an integer number (28694400).

Almost surely, 2^728877316 is an apocalyptic number.

728877316 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

728877316 is a deficient number, since it is larger than the sum of its proper divisors (648453884).

728877316 is a wasteful number, since it uses less digits than its factorization.

728877316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 974 counting only the distinct ones).

The product of its digits is 790272, while the sum is 49.

The square root of 728877316 is about 26997.7279784800. The cubic root of 728877316 is about 899.9495099248.

The spelling of 728877316 in words is "seven hundred twenty-eight million, eight hundred seventy-seven thousand, three hundred sixteen".