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72716886684 = 2232132432391163
BaseRepresentation
bin100001110111001000…
…0111010001010011100
320221200202122120202100
41003232100322022130
52142411010333214
653223343125100
75152664224041
oct1035620721234
9227622576670
1072716886684
1128925872272
12121148a3790
136b1b294400
14373b7a31c8
151d58dce309
hex10ee43a29c

72716886684 has 216 divisors, whose sum is σ = 204696011520. Its totient is φ = 21743938944.

The previous prime is 72716886667. The next prime is 72716886703. The reversal of 72716886684 is 48668861727.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 62524687 + ... + 62525849.

It is an arithmetic number, because the mean of its divisors is an integer number (947666720).

Almost surely, 272716886684 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 72716886684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102348005760).

72716886684 is an abundant number, since it is smaller than the sum of its proper divisors (131979124836).

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

72716886684 is a wasteful number, since it uses less digits than its factorization.

72716886684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481 (or 1463 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 63.

The spelling of 72716886684 in words is "seventy-two billion, seven hundred sixteen million, eight hundred eighty-six thousand, six hundred eighty-four".