728477480 has 32 divisors (see below), whose sum is σ = 1725343200. Its totient is φ = 276054336.

The previous prime is 728477479. The next prime is 728477483. The reversal of 728477480 is 84774827.

It is not an unprimeable number, because it can be changed into a prime (728477483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478502 + ... + 480021.

It is an arithmetic number, because the mean of its divisors is an integer number (53916975).

Almost surely, 2^728477480 is an apocalyptic number.

It is an amenable number.

728477480 is an abundant number, since it is smaller than the sum of its proper divisors (996865720).

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

728477480 is a wasteful number, since it uses less digits than its factorization.

728477480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958553 (or 958549 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 47.

The square root of 728477480 is about 26990.3219691800. The cubic root of 728477480 is about 899.7849197981.

The spelling of 728477480 in words is "seven hundred twenty-eight million, four hundred seventy-seven thousand, four hundred eighty".