71832745380 has 384 divisors, whose sum is σ = 234101145600. Its totient is φ = 16292147200.

The previous prime is 71832745373. The next prime is 71832745393. The reversal of 71832745380 is 8354723817.

It is a super-2 number, since 2×71832745380² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 187552669 + ... + 187553051.

It is an arithmetic number, because the mean of its divisors is an integer number (609638400).

Almost surely, 2^71832745380 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 71832745380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117050572800).

71832745380 is an abundant number, since it is smaller than the sum of its proper divisors (162268400220).

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

71832745380 is a wasteful number, since it uses less digits than its factorization.

71832745380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 71832745380 in words is "seventy-one billion, eight hundred thirty-two million, seven hundred forty-five thousand, three hundred eighty".