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84174073 is a prime number
BaseRepresentation
bin1010000010001…
…10010011111001
312212101111010021
411001012103321
5133022032243
612204050441
72041316314
oct501062371
9185344107
1084174073
1143572255
1224233a21
1314592259
14b27197b
1575ca6ed
hex50464f9

84174073 has 2 divisors, whose sum is σ = 84174074. Its totient is φ = 84174072.

The previous prime is 84174071. The next prime is 84174109. The reversal of 84174073 is 37047148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78375609 + 5798464 = 8853^2 + 2408^2 .

It is a cyclic number.

It is not a de Polignac number, because 84174073 - 21 = 84174071 is a prime.

Together with 84174071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (84174071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42087036 + 42087037.

It is an arithmetic number, because the mean of its divisors is an integer number (42087037).

Almost surely, 284174073 is an apocalyptic number.

It is an amenable number.

84174073 is a deficient number, since it is larger than the sum of its proper divisors (1).

84174073 is an equidigital number, since it uses as much as digits as its factorization.

84174073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 84174073 is about 9174.6429358313. The cubic root of 84174073 is about 438.2542274932.

The spelling of 84174073 in words is "eighty-four million, one hundred seventy-four thousand, seventy-three".