731341069072 has 20 divisors (see below), whose sum is σ = 1417172304220. Its totient is φ = 365619184128.

The previous prime is 731341069061. The next prime is 731341069093. The reversal of 731341069072 is 270960143137.

It can be written as a sum of positive squares in 2 ways, for example, as 364352275456 + 366988793616 = 603616^2 + 605796^2 .

It is a super-2 number, since 2×731341069072² (a number of 25 digits) contains 22 as substring.

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, 3091773 + ... + 3319900.

It is an arithmetic number, because the mean of its divisors is an integer number (70858615211).

Almost surely, 2^731341069072 is an apocalyptic number.

It is an amenable number.

731341069072 is a deficient number, since it is larger than the sum of its proper divisors (685831235148).

731341069072 is a wasteful number, since it uses less digits than its factorization.

731341069072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6418810 (or 6418804 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 731341069072 in words is "seven hundred thirty-one billion, three hundred forty-one million, sixty-nine thousand, seventy-two".