71814263673 has 4 divisors (see below), whose sum is σ = 95752351568. Its totient is φ = 47876175780.

The previous prime is 71814263629. The next prime is 71814263707. The reversal of 71814263673 is 37636241817.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37636241817 = 3 ⋅12545413939.

It is not a de Polignac number, because 71814263673 - 2⁹ = 71814263161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71814263623) 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, 11969043943 + ... + 11969043948.

It is an arithmetic number, because the mean of its divisors is an integer number (23938087892).

Almost surely, 2^71814263673 is an apocalyptic number.

It is an amenable number.

71814263673 is a deficient number, since it is larger than the sum of its proper divisors (23938087895).

71814263673 is a wasteful number, since it uses less digits than its factorization.

71814263673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23938087894.

The product of its digits is 1016064, while the sum is 48.

The spelling of 71814263673 in words is "seventy-one billion, eight hundred fourteen million, two hundred sixty-three thousand, six hundred seventy-three".