71296601245 has 4 divisors (see below), whose sum is σ = 85555921500. Its totient is φ = 57037280992.

The previous prime is 71296601237. The next prime is 71296601269. The reversal of 71296601245 is 54210669217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54210669217 = 2753 ⋅19691489.

It can be written as a sum of positive squares in 2 ways, for example, as 23264180676 + 48032420569 = 152526^2 + 219163^2 .

It is a cyclic number.

It is not a de Polignac number, because 71296601245 - 2³ = 71296601237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7129660120 + ... + 7129660129.

It is an arithmetic number, because the mean of its divisors is an integer number (21388980375).

Almost surely, 2^71296601245 is an apocalyptic number.

It is an amenable number.

71296601245 is a deficient number, since it is larger than the sum of its proper divisors (14259320255).

71296601245 is a wasteful number, since it uses less digits than its factorization.

71296601245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14259320254.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 71296601245 in words is "seventy-one billion, two hundred ninety-six million, six hundred one thousand, two hundred forty-five".