71276330880 has 192 divisors, whose sum is σ = 254066267520. Its totient is φ = 18393845760.

The previous prime is 71276330821. The next prime is 71276330963. The reversal of 71276330880 is 8803367217.

71276330880 is a `hidden beast` number, since 7 + 1 + 2 + 7 + 633 + 0 + 8 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21027 + ... + 378146.

It is an arithmetic number, because the mean of its divisors is an integer number (1323261810).

Almost surely, 2^71276330880 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 71276330880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127033133760).

71276330880 is an abundant number, since it is smaller than the sum of its proper divisors (182789936640).

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

71276330880 is a wasteful number, since it uses less digits than its factorization.

71276330880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399229 (or 399214 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 71276330880 in words is "seventy-one billion, two hundred seventy-six million, three hundred thirty thousand, eight hundred eighty".