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74130871 is a prime number
BaseRepresentation
bin1000110101100…
…10010110110111
312011111020102211
410122302112313
5122434141441
611204514251
71560046663
oct432622667
9164436384
1074130871
1138932691
12209ab987
1312486b29
149bb98a3
156794a81
hex46b25b7

74130871 has 2 divisors, whose sum is σ = 74130872. Its totient is φ = 74130870.

The previous prime is 74130853. The next prime is 74130907. The reversal of 74130871 is 17803147.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74130871 - 217 = 73999799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74130071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37065435 + 37065436.

It is an arithmetic number, because the mean of its divisors is an integer number (37065436).

Almost surely, 274130871 is an apocalyptic number.

74130871 is a deficient number, since it is larger than the sum of its proper divisors (1).

74130871 is an equidigital number, since it uses as much as digits as its factorization.

74130871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 74130871 is about 8609.9286292048. The cubic root of 74130871 is about 420.0809953393.

The spelling of 74130871 in words is "seventy-four million, one hundred thirty thousand, eight hundred seventy-one".