728744796 has 192 divisors, whose sum is σ = 2115420160. Its totient is φ = 215550720.

The previous prime is 728744789. The next prime is 728744827. The reversal of 728744796 is 697447827.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5738085 + ... + 5738211.

Almost surely, 2^728744796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 728744796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1057710080).

728744796 is an abundant number, since it is smaller than the sum of its proper divisors (1386675364).

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

728744796 is a wasteful number, since it uses less digits than its factorization.

728744796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 273 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 728744796 is about 26995.2735863151. The cubic root of 728744796 is about 899.8949655202.

The spelling of 728744796 in words is "seven hundred twenty-eight million, seven hundred forty-four thousand, seven hundred ninety-six".