Search a number
-
+
74902927747 is a prime number
BaseRepresentation
bin100010111000010001…
…1111111100110000011
321011100010001222100011
41011300203333212003
52211400122141442
654224313405351
75261110244434
oct1056043774603
9234303058304
1074902927747
112984782827a
1212624a09857
1370a914922b
1438a7c4948b
151e35c90117
hex11708ff983

74902927747 has 2 divisors, whose sum is σ = 74902927748. Its totient is φ = 74902927746.

The previous prime is 74902927739. The next prime is 74902927751. The reversal of 74902927747 is 74772920947.

It is a strong prime.

It is an emirp because it is prime and its reverse (74772920947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74902927747 - 23 = 74902927739 is a prime.

It is a super-2 number, since 2×749029277472 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74902927691 and 74902927700.

It is not a weakly prime, because it can be changed into another prime (74902927727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37451463873 + 37451463874.

It is an arithmetic number, because the mean of its divisors is an integer number (37451463874).

Almost surely, 274902927747 is an apocalyptic number.

74902927747 is a deficient number, since it is larger than the sum of its proper divisors (1).

74902927747 is an equidigital number, since it uses as much as digits as its factorization.

74902927747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12446784, while the sum is 58.

The spelling of 74902927747 in words is "seventy-four billion, nine hundred two million, nine hundred twenty-seven thousand, seven hundred forty-seven".