68609033 has 2 divisors, whose sum is σ = 68609034. Its totient is φ = 68609032.

The previous prime is 68609029. The next prime is 68609053. The reversal of 68609033 is 33090686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39589264 + 29019769 = 6292^2 + 5387^2 .

It is a cyclic number.

It is not a de Polignac number, because 68609033 - 2² = 68609029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68608984 and 68609002.

It is not a weakly prime, because it can be changed into another prime (68609003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34304516 + 34304517.

It is an arithmetic number, because the mean of its divisors is an integer number (34304517).

Almost surely, 2^68609033 is an apocalyptic number.

It is an amenable number.

68609033 is a deficient number, since it is larger than the sum of its proper divisors (1).

68609033 is an equidigital number, since it uses as much as digits as its factorization.

68609033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 68609033 is about 8283.0569839885. The cubic root of 68609033 is about 409.3804503518.

The spelling of 68609033 in words is "sixty-eight million, six hundred nine thousand, thirty-three".