68702668 has 12 divisors (see below), whose sum is σ = 122267880. Its totient is φ = 33768992.

The previous prime is 68702663. The next prime is 68702677. The reversal of 68702668 is 86620786.

It is not an unprimeable number, because it can be changed into a prime (68702663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145321 + ... + 145792.

It is an arithmetic number, because the mean of its divisors is an integer number (10188990).

Almost surely, 2^68702668 is an apocalyptic number.

It is an amenable number.

68702668 is a deficient number, since it is larger than the sum of its proper divisors (53565212).

68702668 is a wasteful number, since it uses less digits than its factorization.

68702668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291176 (or 291174 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 68702668 is about 8288.7072574678. The cubic root of 68702668 is about 409.5666013188.

The spelling of 68702668 in words is "sixty-eight million, seven hundred two thousand, six hundred sixty-eight".