71326956445 has 8 divisors (see below), whose sum is σ = 85595049144. Its totient is φ = 57059764224.

The previous prime is 71326956427. The next prime is 71326956461. The reversal of 71326956445 is 54465962317.

It can be written as a sum of positive squares in 4 ways, for example, as 29099583396 + 42227373049 = 170586^2 + 205493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71326956445 - 2¹⁵ = 71326923677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71326956392 and 71326956401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36484 + ... + 379453.

It is an arithmetic number, because the mean of its divisors is an integer number (10699381143).

Almost surely, 2^71326956445 is an apocalyptic number.

It is an amenable number.

71326956445 is a deficient number, since it is larger than the sum of its proper divisors (14268092699).

71326956445 is a wasteful number, since it uses less digits than its factorization.

71326956445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450239.

The product of its digits is 5443200, while the sum is 52.

The spelling of 71326956445 in words is "seventy-one billion, three hundred twenty-six million, nine hundred fifty-six thousand, four hundred forty-five".