68366949 has 16 divisors (see below), whose sum is σ = 107771520. Its totient is φ = 37719360.

The previous prime is 68366933. The next prime is 68366983. The reversal of 68366949 is 94966386.

It is not a de Polignac number, because 68366949 - 2⁴ = 68366933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68366929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55522 + ... + 56739.

It is an arithmetic number, because the mean of its divisors is an integer number (6735720).

Almost surely, 2^68366949 is an apocalyptic number.

It is an amenable number.

68366949 is a deficient number, since it is larger than the sum of its proper divisors (39404571).

68366949 is a wasteful number, since it uses less digits than its factorization.

68366949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112300.

The product of its digits is 1679616, while the sum is 51.

The square root of 68366949 is about 8268.4308668574. The cubic root of 68366949 is about 408.8983892026.

The spelling of 68366949 in words is "sixty-eight million, three hundred sixty-six thousand, nine hundred forty-nine".