728494048 has 48 divisors (see below), whose sum is σ = 1558448640. Its totient is φ = 333936000.

The previous prime is 728494043. The next prime is 728494061. The reversal of 728494048 is 840494827.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 728493989 and 728494007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728494043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478 + ... + 38173.

It is an arithmetic number, because the mean of its divisors is an integer number (32467680).

Almost surely, 2^728494048 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 728494048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (779224320).

728494048 is an abundant number, since it is smaller than the sum of its proper divisors (829954592).

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

728494048 is a wasteful number, since it uses less digits than its factorization.

728494048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38711 (or 38703 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 728494048 is about 26990.6288922656. The cubic root of 728494048 is about 899.7917411133.

The spelling of 728494048 in words is "seven hundred twenty-eight million, four hundred ninety-four thousand, forty-eight".