71748471471 has 4 divisors (see below), whose sum is σ = 95664628632. Its totient is φ = 47832314312.

The previous prime is 71748471419. The next prime is 71748471493. The reversal of 71748471471 is 17417484717.

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 71748471471 - 2⁶ = 71748471407 is a prime.

It is a super-3 number, since 3×71748471471³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71748431471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11958078576 + ... + 11958078581.

It is an arithmetic number, because the mean of its divisors is an integer number (23916157158).

Almost surely, 2^71748471471 is an apocalyptic number.

71748471471 is a deficient number, since it is larger than the sum of its proper divisors (23916157161).

71748471471 is a wasteful number, since it uses less digits than its factorization.

71748471471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23916157160.

The product of its digits is 1229312, while the sum is 51.

The spelling of 71748471471 in words is "seventy-one billion, seven hundred forty-eight million, four hundred seventy-one thousand, four hundred seventy-one".