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71740068 = 22317351667
BaseRepresentation
bin1000100011010…
…10101010100100
311222222202212120
410101222222210
5121331140233
611041345540
71530531501
oct421525244
9158882776
1071740068
113754a414
12200382b0
1311b2a85a
1497564a8
1564714b3
hex446aaa4

71740068 has 24 divisors (see below), whose sum is σ = 177240672. Its totient is φ = 22506624.

The previous prime is 71740057. The next prime is 71740069. The reversal of 71740068 is 86004717.

It is not an unprimeable number, because it can be changed into a prime (71740069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175630 + ... + 176037.

It is an arithmetic number, because the mean of its divisors is an integer number (7385028).

Almost surely, 271740068 is an apocalyptic number.

It is an amenable number.

71740068 is an abundant number, since it is smaller than the sum of its proper divisors (105500604).

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

71740068 is a wasteful number, since it uses less digits than its factorization.

71740068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351691 (or 351689 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 71740068 is about 8469.9508853358. The cubic root of 71740068 is about 415.5155309945.

The spelling of 71740068 in words is "seventy-one million, seven hundred forty thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 351667 703334 1055001 1406668 2110002 4220004 5978339 11956678 17935017 23913356 35870034 71740068