68497211 has 4 divisors (see below), whose sum is σ = 68557272. Its totient is φ = 68437152.

The previous prime is 68497201. The next prime is 68497241. The reversal of 68497211 is 11279486.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68497211 - 2¹⁰ = 68496187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68497201) 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, 28286 + ... + 30611.

It is an arithmetic number, because the mean of its divisors is an integer number (17139318).

Almost surely, 2^68497211 is an apocalyptic number.

68497211 is a deficient number, since it is larger than the sum of its proper divisors (60061).

68497211 is a wasteful number, since it uses less digits than its factorization.

68497211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60060.

The product of its digits is 24192, while the sum is 38.

The square root of 68497211 is about 8276.3041872565. The cubic root of 68497211 is about 409.1579206963.

The spelling of 68497211 in words is "sixty-eight million, four hundred ninety-seven thousand, two hundred eleven".