71352064322 has 90 divisors (see below), whose sum is σ = 137568314115. Its totient is φ = 27674844120.

The previous prime is 71352064321. The next prime is 71352064331. The reversal of 71352064322 is 22346025317.

It can be written as a sum of positive squares in only one way, i.e., 35676032161 + 35676032161 = 188881^2 + 188881^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=188881.

It is a super-2 number, since 2×71352064322² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71352064321) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 319964303 + ... + 319964525.

Almost surely, 2^71352064322 is an apocalyptic number.

71352064322 is a deficient number, since it is larger than the sum of its proper divisors (66216249793).

71352064322 is an frugal number, since it uses more digits than its factorization.

71352064322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 71352064322 its reverse (22346025317), we get a palindrome (93698089639).

The spelling of 71352064322 in words is "seventy-one billion, three hundred fifty-two million, sixty-four thousand, three hundred twenty-two".