68396873 has 2 divisors, whose sum is σ = 68396874. Its totient is φ = 68396872.

The previous prime is 68396869. The next prime is 68396879. The reversal of 68396873 is 37869386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46895104 + 21501769 = 6848^2 + 4637^2 .

It is a cyclic number.

It is not a de Polignac number, because 68396873 - 2² = 68396869 is a prime.

It is not a weakly prime, because it can be changed into another prime (68396879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34198436 + 34198437.

It is an arithmetic number, because the mean of its divisors is an integer number (34198437).

Almost surely, 2^68396873 is an apocalyptic number.

It is an amenable number.

68396873 is a deficient number, since it is larger than the sum of its proper divisors (1).

68396873 is an equidigital number, since it uses as much as digits as its factorization.

68396873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 68396873 is about 8270.2402020739. The cubic root of 68396873 is about 408.9580383498.

The spelling of 68396873 in words is "sixty-eight million, three hundred ninety-six thousand, eight hundred seventy-three".