71032681623 has 4 divisors (see below), whose sum is σ = 94710242168. Its totient is φ = 47355121080.

The previous prime is 71032681607. The next prime is 71032681627. The reversal of 71032681623 is 32618623017.

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

It is not a de Polignac number, because 71032681623 - 2⁴ = 71032681607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71032681627) 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, 11838780268 + ... + 11838780273.

It is an arithmetic number, because the mean of its divisors is an integer number (23677560542).

Almost surely, 2^71032681623 is an apocalyptic number.

71032681623 is a deficient number, since it is larger than the sum of its proper divisors (23677560545).

71032681623 is a wasteful number, since it uses less digits than its factorization.

71032681623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23677560544.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 71032681623 in words is "seventy-one billion, thirty-two million, six hundred eighty-one thousand, six hundred twenty-three".