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74909027 is a prime number
BaseRepresentation
bin1000111011100…
…00010101100011
312012221202212102
410131300111203
5123134042102
611233321015
71566500444
oct435602543
9165852772
1074909027
1139314296
122110616b
131269a08b
149d3d2cb
15689a402
hex4770563

74909027 has 2 divisors, whose sum is σ = 74909028. Its totient is φ = 74909026.

The previous prime is 74908969. The next prime is 74909033. The reversal of 74909027 is 72090947.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74909027 - 212 = 74904931 is a prime.

It is a super-2 number, since 2×749090272 = 11222724652173458, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74909057) 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, 37454513 + 37454514.

It is an arithmetic number, because the mean of its divisors is an integer number (37454514).

Almost surely, 274909027 is an apocalyptic number.

74909027 is a deficient number, since it is larger than the sum of its proper divisors (1).

74909027 is an equidigital number, since it uses as much as digits as its factorization.

74909027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 74909027 is about 8655.0001155401. Note that the first 3 decimals coincide. The cubic root of 74909027 is about 421.5457534410.

The spelling of 74909027 in words is "seventy-four million, nine hundred nine thousand, twenty-seven".