728480087 has 24 divisors (see below), whose sum is σ = 795146352. Its totient is φ = 666489600.

The previous prime is 728480017. The next prime is 728480131. The reversal of 728480087 is 780084827.

It is a happy number.

It is not a de Polignac number, because 728480087 - 2¹⁶ = 728414551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728480017) 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 23 ways as a sum of consecutive naturals, for example, 1275512 + ... + 1276082.

It is an arithmetic number, because the mean of its divisors is an integer number (33131098).

Almost surely, 2^728480087 is an apocalyptic number.

728480087 is a deficient number, since it is larger than the sum of its proper divisors (66666265).

728480087 is a wasteful number, since it uses less digits than its factorization.

728480087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 44.

The square root of 728480087 is about 26990.3702642257. The cubic root of 728480087 is about 899.7859931493.

The spelling of 728480087 in words is "seven hundred twenty-eight million, four hundred eighty thousand, eighty-seven".