731713455280 has 20 divisors (see below), whose sum is σ = 1701233783712. Its totient is φ = 292685382080.

The previous prime is 731713455229. The next prime is 731713455301. The reversal of 731713455280 is 82554317137.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 731713455280.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4573209016 + ... + 4573209175.

Almost surely, 2^731713455280 is an apocalyptic number.

It is an amenable number.

731713455280 is an abundant number, since it is smaller than the sum of its proper divisors (969520328432).

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

731713455280 is a wasteful number, since it uses less digits than its factorization.

731713455280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146418204 (or 9146418198 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 731713455280 in words is "seven hundred thirty-one billion, seven hundred thirteen million, four hundred fifty-five thousand, two hundred eighty".