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74827097 is a prime number
BaseRepresentation
bin1000111010111…
…00010101011001
312012210121110222
410131130111121
5123123431342
611231445425
71566006542
oct435342531
9165717428
1074827097
1139268784
1221086875
131266b9b7
149d1b4c9
156880ed2
hex475c559

74827097 has 2 divisors, whose sum is σ = 74827098. Its totient is φ = 74827096.

The previous prime is 74827079. The next prime is 74827121. The reversal of 74827097 is 79072847.

Together with previous prime (74827079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58537801 + 16289296 = 7651^2 + 4036^2 .

It is a cyclic number.

It is not a de Polignac number, because 74827097 - 224 = 58049881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74827037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37413548 + 37413549.

It is an arithmetic number, because the mean of its divisors is an integer number (37413549).

Almost surely, 274827097 is an apocalyptic number.

It is an amenable number.

74827097 is a deficient number, since it is larger than the sum of its proper divisors (1).

74827097 is an equidigital number, since it uses as much as digits as its factorization.

74827097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 74827097 is about 8650.2657184621. The cubic root of 74827097 is about 421.3920121006.

The spelling of 74827097 in words is "seventy-four million, eight hundred twenty-seven thousand, ninety-seven".