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73117469 is a prime number
BaseRepresentation
bin1000101101110…
…10111100011101
312002120202022102
410112322330131
5122204224334
611131054445
71545326315
oct426727435
9162522272
1073117469
1138300267
12205a1425
13121c0799
1499d4445
15664467e
hex45baf1d

73117469 has 2 divisors, whose sum is σ = 73117470. Its totient is φ = 73117468.

The previous prime is 73117417. The next prime is 73117481. The reversal of 73117469 is 96471137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51308569 + 21808900 = 7163^2 + 4670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-73117469 is a prime.

It is a super-2 number, since 2×731174692 = 10692328545931922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73117409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36558734 + 36558735.

It is an arithmetic number, because the mean of its divisors is an integer number (36558735).

Almost surely, 273117469 is an apocalyptic number.

It is an amenable number.

73117469 is a deficient number, since it is larger than the sum of its proper divisors (1).

73117469 is an equidigital number, since it uses as much as digits as its factorization.

73117469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 38.

The square root of 73117469 is about 8550.8753353092. The cubic root of 73117469 is about 418.1579742935.

The spelling of 73117469 in words is "seventy-three million, one hundred seventeen thousand, four hundred sixty-nine".