68677573 has 2 divisors, whose sum is σ = 68677574. Its totient is φ = 68677572.

The previous prime is 68677547. The next prime is 68677577. The reversal of 68677573 is 37577686.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62758084 + 5919489 = 7922^2 + 2433^2 .

It is a cyclic number.

It is not a de Polignac number, because 68677573 - 2⁵ = 68677541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68677577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34338786 + 34338787.

It is an arithmetic number, because the mean of its divisors is an integer number (34338787).

Almost surely, 2^68677573 is an apocalyptic number.

It is an amenable number.

68677573 is a deficient number, since it is larger than the sum of its proper divisors (1).

68677573 is an equidigital number, since it uses as much as digits as its factorization.

68677573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 49.

The square root of 68677573 is about 8287.1933125757. The cubic root of 68677573 is about 409.5167278285.

The spelling of 68677573 in words is "sixty-eight million, six hundred seventy-seven thousand, five hundred seventy-three".