71804832680 has 64 divisors (see below), whose sum is σ = 194358960000. Its totient is φ = 23323071744.

The previous prime is 71804832667. The next prime is 71804832683. The reversal of 71804832680 is 8623840817.

It is not an unprimeable number, because it can be changed into a prime (71804832683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6743255 + ... + 6753894.

It is an arithmetic number, because the mean of its divisors is an integer number (3036858750).

Almost surely, 2^71804832680 is an apocalyptic number.

71804832680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71804832680 is an abundant number, since it is smaller than the sum of its proper divisors (122554127320).

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

71804832680 is a wasteful number, since it uses less digits than its factorization.

71804832680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13497186 (or 13497182 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 71804832680 in words is "seventy-one billion, eight hundred four million, eight hundred thirty-two thousand, six hundred eighty".