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75974117 is a prime number
BaseRepresentation
bin1001000011101…
…00010111100101
312021221212220012
410201310113211
5123422132432
611312220005
71611524612
oct441642745
9167855805
1075974117
113998152a
122153a605
1312980acb
14a139509
156a0acb2
hex48745e5

75974117 has 2 divisors, whose sum is σ = 75974118. Its totient is φ = 75974116.

The previous prime is 75974111. The next prime is 75974131. The reversal of 75974117 is 71147957.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68128516 + 7845601 = 8254^2 + 2801^2 .

It is an emirp because it is prime and its reverse (71147957) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75974117 - 26 = 75974053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75974111) 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, 37987058 + 37987059.

It is an arithmetic number, because the mean of its divisors is an integer number (37987059).

Almost surely, 275974117 is an apocalyptic number.

It is an amenable number.

75974117 is a deficient number, since it is larger than the sum of its proper divisors (1).

75974117 is an equidigital number, since it uses as much as digits as its factorization.

75974117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61740, while the sum is 41.

The square root of 75974117 is about 8716.3132688081. The cubic root of 75974117 is about 423.5342670789.

The spelling of 75974117 in words is "seventy-five million, nine hundred seventy-four thousand, one hundred seventeen".