728878276 has 12 divisors (see below), whose sum is σ = 1457756608. Its totient is φ = 312376392.

The previous prime is 728878259. The next prime is 728878291. The reversal of 728878276 is 672878827.

It is a happy number.

728878276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

728878276 is an admirable number.

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, 13015656 + ... + 13015711.

Almost surely, 2^728878276 is an apocalyptic number.

It is an amenable number.

728878276 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728878276 is a wasteful number, since it uses less digits than its factorization.

728878276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26031378 (or 26031376 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 55.

The square root of 728878276 is about 26997.7457577480. The cubic root of 728878276 is about 899.9499050306.

The spelling of 728878276 in words is "seven hundred twenty-eight million, eight hundred seventy-eight thousand, two hundred seventy-six".