68975773 has 2 divisors, whose sum is σ = 68975774. Its totient is φ = 68975772.

The previous prime is 68975771. The next prime is 68975821. The reversal of 68975773 is 37757986.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56145049 + 12830724 = 7493^2 + 3582^2 .

It is a cyclic number.

It is not a de Polignac number, because 68975773 - 2¹ = 68975771 is a prime.

Together with 68975771, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 68975773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68975771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34487886 + 34487887.

It is an arithmetic number, because the mean of its divisors is an integer number (34487887).

Almost surely, 2^68975773 is an apocalyptic number.

It is an amenable number.

68975773 is a deficient number, since it is larger than the sum of its proper divisors (1).

68975773 is an equidigital number, since it uses as much as digits as its factorization.

68975773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2222640, while the sum is 52.

The square root of 68975773 is about 8305.1654408567. The cubic root of 68975773 is about 410.1085831780.

The spelling of 68975773 in words is "sixty-eight million, nine hundred seventy-five thousand, seven hundred seventy-three".