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75034709 is a prime number
BaseRepresentation
bin1000111100011…
…11000001010101
312020012011021022
410132033001111
5123202102314
611240130525
71600533041
oct436170125
9166164238
1075034709
113939a762
1221166a45
1312712349
149d73021
1568c278e
hex478f055

75034709 has 2 divisors, whose sum is σ = 75034710. Its totient is φ = 75034708.

The previous prime is 75034703. The next prime is 75034711. The reversal of 75034709 is 90743057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54982225 + 20052484 = 7415^2 + 4478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-75034709 is a prime.

Together with 75034711, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p4396175 and since 75034709 and 4396175 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75034703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37517354 + 37517355.

It is an arithmetic number, because the mean of its divisors is an integer number (37517355).

Almost surely, 275034709 is an apocalyptic number.

It is an amenable number.

75034709 is a deficient number, since it is larger than the sum of its proper divisors (1).

75034709 is an equidigital number, since it uses as much as digits as its factorization.

75034709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 75034709 is about 8662.2577310999. The cubic root of 75034709 is about 421.7813775166.

The spelling of 75034709 in words is "seventy-five million, thirty-four thousand, seven hundred nine".