728484977 has 12 divisors (see below), whose sum is σ = 814311120. Its totient is φ = 651027960.

The previous prime is 728484943. The next prime is 728484983. The reversal of 728484977 is 779484827.

It is a happy number.

It is not a de Polignac number, because 728484977 - 2¹⁰ = 728483953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728484917) 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 11 ways as a sum of consecutive naturals, for example, 43883 + ... + 58160.

It is an arithmetic number, because the mean of its divisors is an integer number (67859260).

Almost surely, 2^728484977 is an apocalyptic number.

It is an amenable number.

728484977 is a deficient number, since it is larger than the sum of its proper divisors (85826143).

728484977 is a wasteful number, since it uses less digits than its factorization.

728484977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102124 (or 102113 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 56.

The square root of 728484977 is about 26990.4608519380. The cubic root of 728484977 is about 899.7880064478.

The spelling of 728484977 in words is "seven hundred twenty-eight million, four hundred eighty-four thousand, nine hundred seventy-seven".