71348109826 has 32 divisors (see below), whose sum is σ = 125911814400. Its totient is φ = 30307128768.

The previous prime is 71348109797. The next prime is 71348109883. The reversal of 71348109826 is 62890184317.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 71348109826.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382686 + ... + 537721.

It is an arithmetic number, because the mean of its divisors is an integer number (3934744200).

Almost surely, 2^71348109826 is an apocalyptic number.

71348109826 is a deficient number, since it is larger than the sum of its proper divisors (54563704574).

71348109826 is a wasteful number, since it uses less digits than its factorization.

71348109826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920543 (or 920529 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 71348109826 in words is "seventy-one billion, three hundred forty-eight million, one hundred nine thousand, eight hundred twenty-six".