68933497 has 2 divisors, whose sum is σ = 68933498. Its totient is φ = 68933496.

The previous prime is 68933483. The next prime is 68933533. The reversal of 68933497 is 79433986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68906601 + 26896 = 8301^2 + 164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68933497 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68933497.

It is not a weakly prime, because it can be changed into another prime (68933597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34466748 + 34466749.

It is an arithmetic number, because the mean of its divisors is an integer number (34466749).

Almost surely, 2^68933497 is an apocalyptic number.

It is an amenable number.

68933497 is a deficient number, since it is larger than the sum of its proper divisors (1).

68933497 is an equidigital number, since it uses as much as digits as its factorization.

68933497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 68933497 is about 8302.6198877222. The cubic root of 68933497 is about 410.0247793868.

The spelling of 68933497 in words is "sixty-eight million, nine hundred thirty-three thousand, four hundred ninety-seven".