71536632748 has 12 divisors (see below), whose sum is σ = 143073265552. Its totient is φ = 30658556880.

The previous prime is 71536632737. The next prime is 71536632767. The reversal of 71536632748 is 84723663517.

71536632748 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 71536632695 and 71536632704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277439843 + ... + 1277439898.

Almost surely, 2^71536632748 is an apocalyptic number.

It is an amenable number.

71536632748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71536632748 is a wasteful number, since it uses less digits than its factorization.

71536632748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554879752 (or 2554879750 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 52.

The spelling of 71536632748 in words is "seventy-one billion, five hundred thirty-six million, six hundred thirty-two thousand, seven hundred forty-eight".