68667268 has 12 divisors (see below), whose sum is σ = 122204880. Its totient is φ = 33751592.

The previous prime is 68667257. The next prime is 68667281. The reversal of 68667268 is 86276686.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145246 + ... + 145717.

It is an arithmetic number, because the mean of its divisors is an integer number (10183740).

Almost surely, 2^68667268 is an apocalyptic number.

It is an amenable number.

68667268 is a deficient number, since it is larger than the sum of its proper divisors (53537612).

68667268 is a wasteful number, since it uses less digits than its factorization.

68667268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291026 (or 291024 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 68667268 is about 8286.5715467858. The cubic root of 68667268 is about 409.4962442811.

The spelling of 68667268 in words is "sixty-eight million, six hundred sixty-seven thousand, two hundred sixty-eight".