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74042929 is a prime number
BaseRepresentation
bin1000110100111…
…00111000110001
312011022202210201
410122130320301
5122423333204
611202555201
71556232412
oct432347061
9164282721
1074042929
1138882604
1220968b01
1312455aac
149b95809
1567789a4
hex469ce31

74042929 has 2 divisors, whose sum is σ = 74042930. Its totient is φ = 74042928.

The previous prime is 74042921. The next prime is 74042933. The reversal of 74042929 is 92924047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47541025 + 26501904 = 6895^2 + 5148^2 .

It is an emirp because it is prime and its reverse (92924047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74042929 - 23 = 74042921 is a prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (74042921) 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, 37021464 + 37021465.

It is an arithmetic number, because the mean of its divisors is an integer number (37021465).

Almost surely, 274042929 is an apocalyptic number.

It is an amenable number.

74042929 is a deficient number, since it is larger than the sum of its proper divisors (1).

74042929 is an equidigital number, since it uses as much as digits as its factorization.

74042929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 74042929 is about 8604.8201027099. The cubic root of 74042929 is about 419.9148145453.

The spelling of 74042929 in words is "seventy-four million, forty-two thousand, nine hundred twenty-nine".