Search a number
-
+
68072359 is a prime number
BaseRepresentation
bin1000000111010…
…11001110100111
311202002102201111
410003223032213
5114411303414
610431005451
71454414455
oct403531647
9152072644
1068072359
1135474853
121a969887
1311145304
14907d9d5
155e998c4
hex40eb3a7

68072359 has 2 divisors, whose sum is σ = 68072360. Its totient is φ = 68072358.

The previous prime is 68072357. The next prime is 68072377. The reversal of 68072359 is 95327086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68072359 - 21 = 68072357 is a prime.

Together with 68072357, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68072357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34036179 + 34036180.

It is an arithmetic number, because the mean of its divisors is an integer number (34036180).

Almost surely, 268072359 is an apocalyptic number.

68072359 is a deficient number, since it is larger than the sum of its proper divisors (1).

68072359 is an equidigital number, since it uses as much as digits as its factorization.

68072359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 68072359 is about 8250.5974935152. The cubic root of 68072359 is about 408.3102355763.

The spelling of 68072359 in words is "sixty-eight million, seventy-two thousand, three hundred fifty-nine".