71403830764 has 72 divisors (see below), whose sum is σ = 155104802160. Its totient is φ = 28593782784.

The previous prime is 71403830753. The next prime is 71403830767. The reversal of 71403830764 is 46703830417.

It is a self number, because there is not a number n which added to its sum of digits gives 71403830764.

It is not an unprimeable number, because it can be changed into a prime (71403830767) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140524 + ... + 403180.

Almost surely, 2^71403830764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71403830764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77552401080).

71403830764 is an abundant number, since it is smaller than the sum of its proper divisors (83700971396).

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

71403830764 is a wasteful number, since it uses less digits than its factorization.

71403830764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262767 (or 262758 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 71403830764 in words is "seventy-one billion, four hundred three million, eight hundred thirty thousand, seven hundred sixty-four".