2068742737 has 2 divisors, whose sum is σ = 2068742738. Its totient is φ = 2068742736.

The previous prime is 2068742729. The next prime is 2068742761. The reversal of 2068742737 is 7372478602.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1259966016 + 808776721 = 35496^2 + 28439^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068742737 - 2³ = 2068742729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2068742717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034371368 + 1034371369.

It is an arithmetic number, because the mean of its divisors is an integer number (1034371369).

Almost surely, 2^2068742737 is an apocalyptic number.

It is an amenable number.

2068742737 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068742737 is an equidigital number, since it uses as much as digits as its factorization.

2068742737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 46.

The square root of 2068742737 is about 45483.4336544637. The cubic root of 2068742737 is about 1274.1938232118.

The spelling of 2068742737 in words is "two billion, sixty-eight million, seven hundred forty-two thousand, seven hundred thirty-seven".