68294647 has 2 divisors, whose sum is σ = 68294648. Its totient is φ = 68294646.

The previous prime is 68294617. The next prime is 68294651. The reversal of 68294647 is 74649286.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68294647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68294597 and 68294606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68294617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34147323 + 34147324.

It is an arithmetic number, because the mean of its divisors is an integer number (34147324).

Almost surely, 2^68294647 is an apocalyptic number.

68294647 is a deficient number, since it is larger than the sum of its proper divisors (1).

68294647 is an equidigital number, since it uses as much as digits as its factorization.

68294647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 68294647 is about 8264.0575385219. The cubic root of 68294647 is about 408.7541937990.

It can be divided in two parts, 6829 and 4647, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 68294647 in words is "sixty-eight million, two hundred ninety-four thousand, six hundred forty-seven".