728996112 has 120 divisors (see below), whose sum is σ = 2278645824. Its totient is φ = 224290944.

The previous prime is 728996101. The next prime is 728996119. The reversal of 728996112 is 211699827.

728996112 is a `hidden beast` number, since 7 + 28 + 9 + 9 + 611 + 2 = 666.

It is a super-2 number, since 2×728996112² = 1062870662622233088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (728996119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43333 + ... + 57755.

Almost surely, 2^728996112 is an apocalyptic number.

728996112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 728996112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139322912).

728996112 is an abundant number, since it is smaller than the sum of its proper divisors (1549649712).

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

728996112 is a wasteful number, since it uses less digits than its factorization.

728996112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14459 (or 14441 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 728996112 is about 26999.9279999040. The cubic root of 728996112 is about 899.9983999972.

The spelling of 728996112 in words is "seven hundred twenty-eight million, nine hundred ninety-six thousand, one hundred twelve".