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72769327057 = 731335342521
BaseRepresentation
bin100001111000101100…
…0111100111111010001
320221211102022211102101
41003301120330333101
52143012421431212
653232455120401
75154202034320
oct1036130747721
9227742284371
1072769327057
112895242a519
121212a373101
136b290c550b
1437447340b7
151d5d7dc157
hex10f163cfd1

72769327057 has 8 divisors (see below), whose sum is σ = 85847685632. Its totient is φ = 60361653600.

The previous prime is 72769327051. The next prime is 72769327091. The reversal of 72769327057 is 75072396727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72769327057 - 215 = 72769294289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72769326989 and 72769327007.

It is not an unprimeable number, because it can be changed into a prime (72769327051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167671044 + ... + 167671477.

It is an arithmetic number, because the mean of its divisors is an integer number (10730960704).

Almost surely, 272769327057 is an apocalyptic number.

It is an amenable number.

72769327057 is a deficient number, since it is larger than the sum of its proper divisors (13078358575).

72769327057 is a wasteful number, since it uses less digits than its factorization.

72769327057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335342559.

The product of its (nonzero) digits is 7779240, while the sum is 55.

The spelling of 72769327057 in words is "seventy-two billion, seven hundred sixty-nine million, three hundred twenty-seven thousand, fifty-seven".

Divisors: 1 7 31 217 335342521 2347397647 10395618151 72769327057