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75730741 is a prime number
BaseRepresentation
bin1001000001110…
…00111100110101
312021111112001021
410200320330311
5123341340431
611303101141
71606462222
oct440707465
9167445037
1075730741
1139825699
12214417b1
13128c70b8
14a0b4949
1569adb11
hex4838f35

75730741 has 2 divisors, whose sum is σ = 75730742. Its totient is φ = 75730740.

The previous prime is 75730717. The next prime is 75730757. The reversal of 75730741 is 14703757.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60684100 + 15046641 = 7790^2 + 3879^2 .

It is an emirp because it is prime and its reverse (14703757) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75730741 - 29 = 75730229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75730697 and 75730706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75730541) 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, 37865370 + 37865371.

It is an arithmetic number, because the mean of its divisors is an integer number (37865371).

Almost surely, 275730741 is an apocalyptic number.

It is an amenable number.

75730741 is a deficient number, since it is larger than the sum of its proper divisors (1).

75730741 is an equidigital number, since it uses as much as digits as its factorization.

75730741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 75730741 is about 8702.3411217902. The cubic root of 75730741 is about 423.0815324584.

The spelling of 75730741 in words is "seventy-five million, seven hundred thirty thousand, seven hundred forty-one".