71834476720 has 20 divisors (see below), whose sum is σ = 167015158560. Its totient is φ = 28733790656.

The previous prime is 71834476717. The next prime is 71834476729. The reversal of 71834476720 is 2767443817.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (71834476729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448965400 + ... + 448965559.

It is an arithmetic number, because the mean of its divisors is an integer number (8350757928).

Almost surely, 2^71834476720 is an apocalyptic number.

It is an amenable number.

71834476720 is an abundant number, since it is smaller than the sum of its proper divisors (95180681840).

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

71834476720 is a wasteful number, since it uses less digits than its factorization.

71834476720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897930972 (or 897930966 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 49.

The spelling of 71834476720 in words is "seventy-one billion, eight hundred thirty-four million, four hundred seventy-six thousand, seven hundred twenty".