Search a number
-
+
74325161 is a prime number
BaseRepresentation
bin1000110111000…
…01110010101001
312011212002221202
410123201302221
5123011401121
611213013545
71561516301
oct433416251
9164762852
1074325161
1138a55659
1220a842b5
13125243b1
149c2a601
1567d240b
hex46e1ca9

74325161 has 2 divisors, whose sum is σ = 74325162. Its totient is φ = 74325160.

The previous prime is 74325151. The next prime is 74325203. The reversal of 74325161 is 16152347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62900761 + 11424400 = 7931^2 + 3380^2 .

It is an emirp because it is prime and its reverse (16152347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74325161 - 214 = 74308777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74325151) 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, 37162580 + 37162581.

It is an arithmetic number, because the mean of its divisors is an integer number (37162581).

Almost surely, 274325161 is an apocalyptic number.

It is an amenable number.

74325161 is a deficient number, since it is larger than the sum of its proper divisors (1).

74325161 is an equidigital number, since it uses as much as digits as its factorization.

74325161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 74325161 is about 8621.2041502333. The cubic root of 74325161 is about 420.4476726996.

The spelling of 74325161 in words is "seventy-four million, three hundred twenty-five thousand, one hundred sixty-one".