71436874608 has 60 divisors (see below), whose sum is σ = 218098947768. Its totient is φ = 21647537280.

The previous prime is 71436874591. The next prime is 71436874609. The reversal of 71436874608 is 80647863417.

71436874608 is a `hidden beast` number, since 71 + 4 + 36 + 87 + 460 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71436874609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22547935 + ... + 22551102.

Almost surely, 2^71436874608 is an apocalyptic number.

It is an amenable number.

71436874608 is an abundant number, since it is smaller than the sum of its proper divisors (146662073160).

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

71436874608 is a wasteful number, since it uses less digits than its factorization.

71436874608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45099062 (or 45099053 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 71436874608 in words is "seventy-one billion, four hundred thirty-six million, eight hundred seventy-four thousand, six hundred eight".