71434601880 has 64 divisors (see below), whose sum is σ = 216269935200. Its totient is φ = 18874460160.

The previous prime is 71434601879. The next prime is 71434601939. The reversal of 71434601880 is 8810643417.

It is a congruent number.

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, 2717601 + ... + 2743760.

Almost surely, 2^71434601880 is an apocalyptic number.

It is an amenable number.

71434601880 is an abundant number, since it is smaller than the sum of its proper divisors (144835333320).

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

71434601880 is a wasteful number, since it uses less digits than its factorization.

71434601880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461484 (or 5461480 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 71434601880 in words is "seventy-one billion, four hundred thirty-four million, six hundred one thousand, eight hundred eighty".