Search a number
-
+
74102417 is a prime number
BaseRepresentation
bin1000110101010…
…11011010010001
312011102210101222
410122223122101
5122432234132
611204134425
71556601014
oct432533221
9164383358
1074102417
1138913274
1220997415
1312476bac
149bad37b
15678b412
hex46ab691

74102417 has 2 divisors, whose sum is σ = 74102418. Its totient is φ = 74102416.

The previous prime is 74102381. The next prime is 74102419. The reversal of 74102417 is 71420147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67502656 + 6599761 = 8216^2 + 2569^2 .

It is a cyclic number.

It is not a de Polignac number, because 74102417 - 224 = 57325201 is a prime.

Together with 74102419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74102419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37051208 + 37051209.

It is an arithmetic number, because the mean of its divisors is an integer number (37051209).

Almost surely, 274102417 is an apocalyptic number.

It is an amenable number.

74102417 is a deficient number, since it is larger than the sum of its proper divisors (1).

74102417 is an equidigital number, since it uses as much as digits as its factorization.

74102417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 74102417 is about 8608.2760759632. The cubic root of 74102417 is about 420.0272412414.

The spelling of 74102417 in words is "seventy-four million, one hundred two thousand, four hundred seventeen".