68539196 has 12 divisors (see below), whose sum is σ = 130847640. Its totient is φ = 31154160.

The previous prime is 68539193. The next prime is 68539201. The reversal of 68539196 is 69193586.

It is a self number, because there is not a number n which added to its sum of digits gives 68539196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68539193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778811 + ... + 778898.

It is an arithmetic number, because the mean of its divisors is an integer number (10903970).

Almost surely, 2^68539196 is an apocalyptic number.

It is an amenable number.

68539196 is a deficient number, since it is larger than the sum of its proper divisors (62308444).

68539196 is a wasteful number, since it uses less digits than its factorization.

68539196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557724 (or 1557722 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The square root of 68539196 is about 8278.8402569442. The cubic root of 68539196 is about 409.2415006767.

The spelling of 68539196 in words is "sixty-eight million, five hundred thirty-nine thousand, one hundred ninety-six".