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75067229 is a prime number
BaseRepresentation
bin1000111100101…
…10111101011101
312020020210212202
410132112331131
5123204122404
611240541245
71601026616
oct436267535
9166223782
1075067229
1139412136
1221181825
13127240a3
149d80c0d
1568cc21e
hex4796f5d

75067229 has 2 divisors, whose sum is σ = 75067230. Its totient is φ = 75067228.

The previous prime is 75067219. The next prime is 75067231. The reversal of 75067229 is 92276057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72420100 + 2647129 = 8510^2 + 1627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-75067229 is a prime.

It is a Sophie Germain prime.

Together with 75067231, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75067192 and 75067201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75067219) by changing a digit.

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 as a sum of consecutive naturals, namely, 37533614 + 37533615.

It is an arithmetic number, because the mean of its divisors is an integer number (37533615).

Almost surely, 275067229 is an apocalyptic number.

It is an amenable number.

75067229 is a deficient number, since it is larger than the sum of its proper divisors (1).

75067229 is an equidigital number, since it uses as much as digits as its factorization.

75067229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 75067229 is about 8664.1346365347. The cubic root of 75067229 is about 421.8423019852.

The spelling of 75067229 in words is "seventy-five million, sixty-seven thousand, two hundred twenty-nine".