68511850 has 24 divisors (see below), whose sum is σ = 139017888. Its totient is φ = 24913200.

The previous prime is 68511811. The next prime is 68511869. The reversal of 68511850 is 5811586.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61734 + ... + 62833.

It is an arithmetic number, because the mean of its divisors is an integer number (5792412).

Almost surely, 2^68511850 is an apocalyptic number.

68511850 is an abundant number, since it is smaller than the sum of its proper divisors (70506038).

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

68511850 is a wasteful number, since it uses less digits than its factorization.

68511850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124590 (or 124585 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 34.

The square root of 68511850 is about 8277.1885323460. The cubic root of 68511850 is about 409.1870665844.

The spelling of 68511850 in words is "sixty-eight million, five hundred eleven thousand, eight hundred fifty".