68762173 has 2 divisors, whose sum is σ = 68762174. Its totient is φ = 68762172.

The previous prime is 68762143. The next prime is 68762179. The reversal of 68762173 is 37126786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64689849 + 4072324 = 8043^2 + 2018^2 .

It is a cyclic number.

It is not a de Polignac number, because 68762173 - 2⁹ = 68761661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68762179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34381086 + 34381087.

It is an arithmetic number, because the mean of its divisors is an integer number (34381087).

Almost surely, 2^68762173 is an apocalyptic number.

It is an amenable number.

68762173 is a deficient number, since it is larger than the sum of its proper divisors (1).

68762173 is an equidigital number, since it uses as much as digits as its factorization.

68762173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 68762173 is about 8292.2960029174. The cubic root of 68762173 is about 409.6848122924.

The spelling of 68762173 in words is "sixty-eight million, seven hundred sixty-two thousand, one hundred seventy-three".