68960929 has 2 divisors, whose sum is σ = 68960930. Its totient is φ = 68960928.

The previous prime is 68960909. The next prime is 68960939. The reversal of 68960929 is 92906986.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68442529 + 518400 = 8273^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 68960929 - 2¹¹ = 68958881 is a prime.

It is not a weakly prime, because it can be changed into another prime (68960909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34480464 + 34480465.

It is an arithmetic number, because the mean of its divisors is an integer number (34480465).

Almost surely, 2^68960929 is an apocalyptic number.

It is an amenable number.

68960929 is a deficient number, since it is larger than the sum of its proper divisors (1).

68960929 is an equidigital number, since it uses as much as digits as its factorization.

68960929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 68960929 is about 8304.2717320666. The cubic root of 68960929 is about 410.0791617918.

The spelling of 68960929 in words is "sixty-eight million, nine hundred sixty thousand, nine hundred twenty-nine".