728110636 has 48 divisors (see below), whose sum is σ = 1432777248. Its totient is φ = 320883200.

The previous prime is 728110633. The next prime is 728110637. The reversal of 728110636 is 636011827.

It is not an unprimeable number, because it can be changed into a prime (728110631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310926 + ... + 313258.

It is an arithmetic number, because the mean of its divisors is an integer number (29849526).

Almost surely, 2^728110636 is an apocalyptic number.

It is an amenable number.

728110636 is a deficient number, since it is larger than the sum of its proper divisors (704666612).

728110636 is a wasteful number, since it uses less digits than its factorization.

728110636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562 (or 2560 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 728110636 is about 26983.5252700606. The cubic root of 728110636 is about 899.6338576488.

The spelling of 728110636 in words is "seven hundred twenty-eight million, one hundred ten thousand, six hundred thirty-six".