71320117604 has 24 divisors (see below), whose sum is σ = 126504325080. Its totient is φ = 35177877504.

The previous prime is 71320117601. The next prime is 71320117637. The reversal of 71320117604 is 40671102317.

It can be written as a sum of positive squares in 4 ways, for example, as 2093245504 + 69226872100 = 45752^2 + 263110^2 .

It is not an unprimeable number, because it can be changed into a prime (71320117601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77189 + ... + 385484.

It is an arithmetic number, because the mean of its divisors is an integer number (5271013545).

Almost surely, 2^71320117604 is an apocalyptic number.

It is an amenable number.

71320117604 is a deficient number, since it is larger than the sum of its proper divisors (55184207476).

71320117604 is a wasteful number, since it uses less digits than its factorization.

71320117604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463199 (or 463197 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The spelling of 71320117604 in words is "seventy-one billion, three hundred twenty million, one hundred seventeen thousand, six hundred four".