71471040367 has 4 divisors (see below), whose sum is σ = 71513158176. Its totient is φ = 71428922560.

The previous prime is 71471040359. The next prime is 71471040383. The reversal of 71471040367 is 76304017417.

It is a happy number.

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 71471040367 - 2³ = 71471040359 is a prime.

It is a super-2 number, since 2×71471040367² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71471010367) 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, 21056359 + ... + 21059752.

It is an arithmetic number, because the mean of its divisors is an integer number (17878289544).

Almost surely, 2^71471040367 is an apocalyptic number.

71471040367 is a deficient number, since it is larger than the sum of its proper divisors (42117809).

71471040367 is a wasteful number, since it uses less digits than its factorization.

71471040367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42117808.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 71471040367 in words is "seventy-one billion, four hundred seventy-one million, forty thousand, three hundred sixty-seven".