68306186 has 16 divisors (see below), whose sum is σ = 110872608. Its totient is φ = 31374000.

The previous prime is 68306167. The next prime is 68306207. The reversal of 68306186 is 68160386.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740 + ... + 11711.

It is an arithmetic number, because the mean of its divisors is an integer number (6929538).

Almost surely, 2^68306186 is an apocalyptic number.

68306186 is a deficient number, since it is larger than the sum of its proper divisors (42566422).

68306186 is a wasteful number, since it uses less digits than its factorization.

68306186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12677.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 68306186 is about 8264.7556527704. The cubic root of 68306186 is about 408.7772134120. Note that the first 3 decimals are identical.

The spelling of 68306186 in words is "sixty-eight million, three hundred six thousand, one hundred eighty-six".