68077433 has 2 divisors, whose sum is σ = 68077434. Its totient is φ = 68077432.

The previous prime is 68077421. The next prime is 68077441. The reversal of 68077433 is 33477086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59474944 + 8602489 = 7712^2 + 2933^2 .

It is a cyclic number.

It is not a de Polignac number, because 68077433 - 2⁴ = 68077417 is a prime.

It is not a weakly prime, because it can be changed into another prime (68077463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34038716 + 34038717.

It is an arithmetic number, because the mean of its divisors is an integer number (34038717).

Almost surely, 2^68077433 is an apocalyptic number.

It is an amenable number.

68077433 is a deficient number, since it is larger than the sum of its proper divisors (1).

68077433 is an equidigital number, since it uses as much as digits as its factorization.

68077433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 68077433 is about 8250.9049806673. The cubic root of 68077433 is about 408.3203802453.

The spelling of 68077433 in words is "sixty-eight million, seventy-seven thousand, four hundred thirty-three".