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74880017 is a prime number
BaseRepresentation
bin1000111011010…
…01010000010001
312012220022001222
410131221100101
5123132130032
611232534425
71566320042
oct435512021
9165808058
1074880017
11392a4513
12210b1415
1312689b04
149d328c9
156891a12
hex4769411

74880017 has 2 divisors, whose sum is σ = 74880018. Its totient is φ = 74880016.

The previous prime is 74879983. The next prime is 74880067. The reversal of 74880017 is 71008847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46566976 + 28313041 = 6824^2 + 5321^2 .

It is a cyclic number.

It is not a de Polignac number, because 74880017 - 212 = 74875921 is a prime.

It is not a weakly prime, because it can be changed into another prime (74880067) 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 as a sum of consecutive naturals, namely, 37440008 + 37440009.

It is an arithmetic number, because the mean of its divisors is an integer number (37440009).

Almost surely, 274880017 is an apocalyptic number.

It is an amenable number.

74880017 is a deficient number, since it is larger than the sum of its proper divisors (1).

74880017 is an equidigital number, since it uses as much as digits as its factorization.

74880017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 74880017 is about 8653.3240433951. The cubic root of 74880017 is about 421.4913291089.

The spelling of 74880017 in words is "seventy-four million, eight hundred eighty thousand, seventeen".