71678795132 has 24 divisors (see below), whose sum is σ = 146691490176. Its totient is φ = 30005076528.

The previous prime is 71678795099. The next prime is 71678795137. The reversal of 71678795132 is 23159787617.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71678795137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29765738 + ... + 29768145.

It is an arithmetic number, because the mean of its divisors is an integer number (6112145424).

Almost surely, 2^71678795132 is an apocalyptic number.

It is an amenable number.

71678795132 is an abundant number, since it is smaller than the sum of its proper divisors (75012695044).

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

71678795132 is a wasteful number, since it uses less digits than its factorization.

71678795132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59533937 (or 59533935 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 56.

The spelling of 71678795132 in words is "seventy-one billion, six hundred seventy-eight million, seven hundred ninety-five thousand, one hundred thirty-two".