68217110 has 32 divisors (see below), whose sum is σ = 132662880. Its totient is φ = 25106688.

The previous prime is 68217109. The next prime is 68217133. The reversal of 68217110 is 1171286.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 68217110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52529 + ... + 53811.

It is an arithmetic number, because the mean of its divisors is an integer number (4145715).

Almost surely, 2^68217110 is an apocalyptic number.

68217110 is a deficient number, since it is larger than the sum of its proper divisors (64445770).

68217110 is a wasteful number, since it uses less digits than its factorization.

68217110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 68217110 is about 8259.3649876973. The cubic root of 68217110 is about 408.5994448442.

Adding to 68217110 its reverse (1171286), we get a palindrome (69388396).

It can be divided in two parts, 6821 and 7110, that added together give a palindrome (13931).

The spelling of 68217110 in words is "sixty-eight million, two hundred seventeen thousand, one hundred ten".