68411870 has 32 divisors (see below), whose sum is σ = 129820320. Its totient is φ = 25916800.

The previous prime is 68411851. The next prime is 68411873. The reversal of 68411870 is 7811486.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68411870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68411873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13145 + ... + 17595.

It is an arithmetic number, because the mean of its divisors is an integer number (4056885).

Almost surely, 2^68411870 is an apocalyptic number.

68411870 is a deficient number, since it is larger than the sum of its proper divisors (61408450).

68411870 is a wasteful number, since it uses less digits than its factorization.

68411870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 68411870 is about 8271.1468370474. The cubic root of 68411870 is about 408.9879261465.

The spelling of 68411870 in words is "sixty-eight million, four hundred eleven thousand, eight hundred seventy".