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74771041 is a prime number
BaseRepresentation
bin1000111010011…
…10101001100001
312012200202120211
410131032221201
5123120133131
611230334121
71565354242
oct435165141
9165622524
1074771041
113922a654
122105a341
131264c327
149d04cc9
15686e5b1
hex474ea61

74771041 has 2 divisors, whose sum is σ = 74771042. Its totient is φ = 74771040.

The previous prime is 74771033. The next prime is 74771063. The reversal of 74771041 is 14017747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55935441 + 18835600 = 7479^2 + 4340^2 .

It is an emirp because it is prime and its reverse (14017747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74771041 - 23 = 74771033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74770994 and 74771012.

It is not a weakly prime, because it can be changed into another prime (74772041) 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, 37385520 + 37385521.

It is an arithmetic number, because the mean of its divisors is an integer number (37385521).

Almost surely, 274771041 is an apocalyptic number.

It is an amenable number.

74771041 is a deficient number, since it is larger than the sum of its proper divisors (1).

74771041 is an equidigital number, since it uses as much as digits as its factorization.

74771041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 74771041 is about 8647.0249797257. The cubic root of 74771041 is about 421.2867585554.

Adding to 74771041 its reverse (14017747), we get a palindrome (88788788).

The spelling of 74771041 in words is "seventy-four million, seven hundred seventy-one thousand, forty-one".