728757413772 has 96 divisors (see below), whose sum is σ = 1731677875200. Its totient is φ = 238498309632.

The previous prime is 728757413749. The next prime is 728757413773. The reversal of 728757413772 is 277314757827.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (728757413773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152361693 + ... + 152366475.

It is an arithmetic number, because the mean of its divisors is an integer number (18038311200).

Almost surely, 2^728757413772 is an apocalyptic number.

It is an amenable number.

728757413772 is an abundant number, since it is smaller than the sum of its proper divisors (1002920461428).

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

728757413772 is a wasteful number, since it uses less digits than its factorization.

728757413772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855 (or 5853 counting only the distinct ones).

The product of its digits is 32269440, while the sum is 60.

The spelling of 728757413772 in words is "seven hundred twenty-eight billion, seven hundred fifty-seven million, four hundred thirteen thousand, seven hundred seventy-two".