Search a number
-
+
74027 is a prime number
BaseRepresentation
bin10010000100101011
310202112202
4102010223
54332102
61330415
7425552
oct220453
9122482
1074027
1150688
1236a0b
1327905
141cd99
1516e02
hex1212b

74027 has 2 divisors, whose sum is σ = 74028. Its totient is φ = 74026.

The previous prime is 74021. The next prime is 74047. The reversal of 74027 is 72047.

It is an a-pointer prime, because the next prime (74047) can be obtained adding 74027 to its sum of digits (20).

It is a weak prime.

It is an emirp because it is prime and its reverse (72047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74027 - 28 = 73771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37013 + 37014.

It is an arithmetic number, because the mean of its divisors is an integer number (37014).

274027 is an apocalyptic number.

74027 is a deficient number, since it is larger than the sum of its proper divisors (1).

74027 is an equidigital number, since it uses as much as digits as its factorization.

74027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 74027 is about 272.0790326357. The cubic root of 74027 is about 41.9884700021.

Adding to 74027 its sum of digits (20), we get a palindrome (74047).

It can be divided in two parts, 740 and 27, that added together give a palindrome (767).

The spelling of 74027 in words is "seventy-four thousand, twenty-seven", and thus it is an iban number.