71688370350 has 48 divisors (see below), whose sum is σ = 177844474368. Its totient is φ = 19110735840.

The previous prime is 71688370321. The next prime is 71688370357. The reversal of 71688370350 is 5307388617.

It is a self number, because there is not a number n which added to its sum of digits gives 71688370350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71688370357) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 399597 + ... + 550503.

It is an arithmetic number, because the mean of its divisors is an integer number (3705093216).

Almost surely, 2^71688370350 is an apocalyptic number.

71688370350 is an abundant number, since it is smaller than the sum of its proper divisors (106156104018).

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

71688370350 is a wasteful number, since it uses less digits than its factorization.

71688370350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154089 (or 154084 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 71688370350 in words is "seventy-one billion, six hundred eighty-eight million, three hundred seventy thousand, three hundred fifty".