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67740337674 = 23220771181183
BaseRepresentation
bin111111000101101000…
…111000011000001010
320110211221101200220100
4333011220320120022
52102213011301144
651041450310230
74615445240562
oct770550703012
9213757350810
1067740337674
1126801722349
1211166128376
136507256959
1433c8887da2
151b6705b269
hexfc5a3860a

67740337674 has 24 divisors (see below), whose sum is σ = 146778607872. Its totient is φ = 22578900840.

The previous prime is 67740337661. The next prime is 67740337697. The reversal of 67740337674 is 47673304776.

It is a self number, because there is not a number n which added to its sum of digits gives 67740337674.

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 11 ways as a sum of consecutive naturals, for example, 283287 + ... + 464469.

It is an arithmetic number, because the mean of its divisors is an integer number (6115775328).

Almost surely, 267740337674 is an apocalyptic number.

67740337674 is an abundant number, since it is smaller than the sum of its proper divisors (79038270198).

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

67740337674 is a wasteful number, since it uses less digits than its factorization.

67740337674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201962 (or 201959 counting only the distinct ones).

The product of its (nonzero) digits is 12446784, while the sum is 54.

The spelling of 67740337674 in words is "sixty-seven billion, seven hundred forty million, three hundred thirty-seven thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 18 20771 41542 62313 124626 181183 186939 362366 373878 543549 1087098 1630647 3261294 3763352093 7526704186 11290056279 22580112558 33870168837 67740337674