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74709097 is a prime number
BaseRepresentation
bin1000111001111…
…11100001101001
312012120121121121
410130333201221
5123111142342
611225135241
71565005531
oct434774151
9165517547
1074709097
1139198061
122102a521
131262a088
149cca4c1
15685b067
hex473f869

74709097 has 2 divisors, whose sum is σ = 74709098. Its totient is φ = 74709096.

The previous prime is 74709073. The next prime is 74709113. The reversal of 74709097 is 79090747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66275881 + 8433216 = 8141^2 + 2904^2 .

It is an emirp because it is prime and its reverse (79090747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74709097 - 211 = 74707049 is a prime.

It is not a weakly prime, because it can be changed into another prime (74709797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37354548 + 37354549.

It is an arithmetic number, because the mean of its divisors is an integer number (37354549).

Almost surely, 274709097 is an apocalyptic number.

It is an amenable number.

74709097 is a deficient number, since it is larger than the sum of its proper divisors (1).

74709097 is an equidigital number, since it uses as much as digits as its factorization.

74709097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 74709097 is about 8643.4424276442. The cubic root of 74709097 is about 421.1703882049.

The spelling of 74709097 in words is "seventy-four million, seven hundred nine thousand, ninety-seven".