68620211 has 8 divisors (see below), whose sum is σ = 79262064. Its totient is φ = 58712320.

The previous prime is 68620207. The next prime is 68620249. The reversal of 68620211 is 11202686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68620211 - 2² = 68620207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68620271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183290 + ... + 183663.

It is an arithmetic number, because the mean of its divisors is an integer number (9907758).

Almost surely, 2^68620211 is an apocalyptic number.

68620211 is a deficient number, since it is larger than the sum of its proper divisors (10641853).

68620211 is a wasteful number, since it uses less digits than its factorization.

68620211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366981.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 68620211 is about 8283.7317073889. The cubic root of 68620211 is about 409.4026816625.

Adding to 68620211 its reverse (11202686), we get a palindrome (79822897).

The spelling of 68620211 in words is "sixty-eight million, six hundred twenty thousand, two hundred eleven".