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74712017 is a prime number
BaseRepresentation
bin1000111010000…
…00001111010001
312012120202121202
410131000033101
5123111241032
611225200545
71565020202
oct435001721
9165522552
1074712017
113919a276
1221030155
131262b4c3
149ccb5a9
15685bd62
hex47403d1

74712017 has 2 divisors, whose sum is σ = 74712018. Its totient is φ = 74712016.

The previous prime is 74711983. The next prime is 74712031. The reversal of 74712017 is 71021747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73547776 + 1164241 = 8576^2 + 1079^2 .

It is a cyclic number.

It is not a de Polignac number, because 74712017 - 214 = 74695633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74712217) 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, 37356008 + 37356009.

It is an arithmetic number, because the mean of its divisors is an integer number (37356009).

Almost surely, 274712017 is an apocalyptic number.

It is an amenable number.

74712017 is a deficient number, since it is larger than the sum of its proper divisors (1).

74712017 is an equidigital number, since it uses as much as digits as its factorization.

74712017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 74712017 is about 8643.6113401749. The cubic root of 74712017 is about 421.1758752721.

The spelling of 74712017 in words is "seventy-four million, seven hundred twelve thousand, seventeen".