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74338141 is a prime number
BaseRepresentation
bin1000110111001…
…00111101011101
312011212202202111
410123210331131
5123012310031
611213154021
71561602163
oct433447535
9164782674
1074338141
1138a64389
1220a8b911
131252a287
149c31233
1567d61b1
hex46e4f5d

74338141 has 2 divisors, whose sum is σ = 74338142. Its totient is φ = 74338140.

The previous prime is 74338133. The next prime is 74338153. The reversal of 74338141 is 14183347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67815225 + 6522916 = 8235^2 + 2554^2 .

It is an emirp because it is prime and its reverse (14183347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74338141 - 23 = 74338133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74338441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37169070 + 37169071.

It is an arithmetic number, because the mean of its divisors is an integer number (37169071).

Almost surely, 274338141 is an apocalyptic number.

It is an amenable number.

74338141 is a deficient number, since it is larger than the sum of its proper divisors (1).

74338141 is an equidigital number, since it uses as much as digits as its factorization.

74338141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 74338141 is about 8621.9569124416. The cubic root of 74338141 is about 420.4721466599.

The spelling of 74338141 in words is "seventy-four million, three hundred thirty-eight thousand, one hundred forty-one".