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72341429 is a prime number
BaseRepresentation
bin1000100111111…
…01011110110101
312001010022210012
410103331132311
5122004411204
611102310005
71535614646
oct423753665
9161108705
1072341429
1137920206
1220288305
1311cab4a4
1498716cd
15653e76e
hex44fd7b5

72341429 has 2 divisors, whose sum is σ = 72341430. Its totient is φ = 72341428.

The previous prime is 72341419. The next prime is 72341453. The reversal of 72341429 is 92414327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59367025 + 12974404 = 7705^2 + 3602^2 .

It is an emirp because it is prime and its reverse (92414327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72341429 - 212 = 72337333 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 72341395 and 72341404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72341419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36170714 + 36170715.

It is an arithmetic number, because the mean of its divisors is an integer number (36170715).

Almost surely, 272341429 is an apocalyptic number.

It is an amenable number.

72341429 is a deficient number, since it is larger than the sum of its proper divisors (1).

72341429 is an equidigital number, since it uses as much as digits as its factorization.

72341429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 72341429 is about 8505.3764760885. The cubic root of 72341429 is about 416.6733213515.

The spelling of 72341429 in words is "seventy-two million, three hundred forty-one thousand, four hundred twenty-nine".