728327754 has 128 divisors (see below), whose sum is σ = 2037657600. Its totient is φ = 187323840.

The previous prime is 728327713. The next prime is 728327773. The reversal of 728327754 is 457723827.

728327754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×728327754² = 1060922634493369032, which contains 22 as substring.

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, 452419 + ... + 454025.

It is an arithmetic number, because the mean of its divisors is an integer number (15919200).

Almost surely, 2^728327754 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 728327754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1018828800).

728327754 is an abundant number, since it is smaller than the sum of its proper divisors (1309329846).

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

728327754 is a wasteful number, since it uses less digits than its factorization.

728327754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745 (or 1739 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The square root of 728327754 is about 26987.5481287204. The cubic root of 728327754 is about 899.7232704762.

The spelling of 728327754 in words is "seven hundred twenty-eight million, three hundred twenty-seven thousand, seven hundred fifty-four".