71574053471 has 4 divisors (see below), whose sum is σ = 71606545032. Its totient is φ = 71541561912.

The previous prime is 71574053443. The next prime is 71574053477. The reversal of 71574053471 is 17435047517.

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 71574053471 - 2¹⁸ = 71573791327 is a prime.

It is a super-3 number, since 3×71574053471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71574053477) 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, 16242476 + ... + 16246881.

It is an arithmetic number, because the mean of its divisors is an integer number (17901636258).

Almost surely, 2^71574053471 is an apocalyptic number.

71574053471 is a deficient number, since it is larger than the sum of its proper divisors (32491561).

71574053471 is a wasteful number, since it uses less digits than its factorization.

71574053471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32491560.

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 71574053471 in words is "seventy-one billion, five hundred seventy-four million, fifty-three thousand, four hundred seventy-one".