71651378304 has 512 divisors, whose sum is σ = 240240844800. Its totient is φ = 20827238400.

The previous prime is 71651378251. The next prime is 71651378311. The reversal of 71651378304 is 40387315617.

It is a self number, because there is not a number n which added to its sum of digits gives 71651378304.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 192094662 + ... + 192095034.

It is an arithmetic number, because the mean of its divisors is an integer number (469220400).

Almost surely, 2^71651378304 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 71651378304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120120422400).

71651378304 is an abundant number, since it is smaller than the sum of its proper divisors (168589466496).

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

71651378304 is a wasteful number, since it uses less digits than its factorization.

71651378304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 71651378304 in words is "seventy-one billion, six hundred fifty-one million, three hundred seventy-eight thousand, three hundred four".