68197266 has 12 divisors (see below), whose sum is σ = 147760782. Its totient is φ = 22732416.

The previous prime is 68197249. The next prime is 68197279. The reversal of 68197266 is 66279186.

It can be written as a sum of positive squares in only one way, i.e., 51624225 + 16573041 = 7185^2 + 4071^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1894351 + ... + 1894386.

Almost surely, 2^68197266 is an apocalyptic number.

68197266 is an abundant number, since it is smaller than the sum of its proper divisors (79563516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68197266 is a wasteful number, since it uses less digits than its factorization.

68197266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788745 (or 3788742 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 68197266 is about 8258.1635973139. The cubic root of 68197266 is about 408.5598211890.

The spelling of 68197266 in words is "sixty-eight million, one hundred ninety-seven thousand, two hundred sixty-six".