68147633 has 2 divisors, whose sum is σ = 68147634. Its totient is φ = 68147632.

The previous prime is 68147609. The next prime is 68147657. The reversal of 68147633 is 33674186.

It is a balanced prime because it is at equal distance from previous prime (68147609) and next prime (68147657).

It can be written as a sum of positive squares in only one way, i.e., 53919649 + 14227984 = 7343^2 + 3772^2 .

It is a cyclic number.

It is not a de Polignac number, because 68147633 - 2¹⁰ = 68146609 is a prime.

It is not a weakly prime, because it can be changed into another prime (68147333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34073816 + 34073817.

It is an arithmetic number, because the mean of its divisors is an integer number (34073817).

Almost surely, 2^68147633 is an apocalyptic number.

It is an amenable number.

68147633 is a deficient number, since it is larger than the sum of its proper divisors (1).

68147633 is an equidigital number, since it uses as much as digits as its factorization.

68147633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 68147633 is about 8255.1579633584. The cubic root of 68147633 is about 408.4606824594.

The spelling of 68147633 in words is "sixty-eight million, one hundred forty-seven thousand, six hundred thirty-three".