71274057571 has 4 divisors (see below), whose sum is σ = 71275174600. Its totient is φ = 71272940544.

The previous prime is 71274057563. The next prime is 71274057577. The reversal of 71274057571 is 17575047217.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71274057571 - 2³ = 71274057563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71274057577) by changing a digit.

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, 456606 + ... + 592483.

It is an arithmetic number, because the mean of its divisors is an integer number (17818793650).

Almost surely, 2^71274057571 is an apocalyptic number.

71274057571 is a deficient number, since it is larger than the sum of its proper divisors (1117029).

71274057571 is a wasteful number, since it uses less digits than its factorization.

71274057571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117028.

The product of its (nonzero) digits is 480200, while the sum is 46.

The spelling of 71274057571 in words is "seventy-one billion, two hundred seventy-four million, fifty-seven thousand, five hundred seventy-one".