68621214 has 16 divisors (see below), whose sum is σ = 145315728. Its totient is φ = 21528192.

The previous prime is 68621177. The next prime is 68621219. The reversal of 68621214 is 41212686.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68621219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336277 + ... + 336480.

It is an arithmetic number, because the mean of its divisors is an integer number (9082233).

Almost surely, 2^68621214 is an apocalyptic number.

68621214 is an abundant number, since it is smaller than the sum of its proper divisors (76694514).

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

68621214 is a wasteful number, since it uses less digits than its factorization.

68621214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672779.

The product of its digits is 4608, while the sum is 30.

The square root of 68621214 is about 8283.7922475156. The cubic root of 68621214 is about 409.4046763561.

The spelling of 68621214 in words is "sixty-eight million, six hundred twenty-one thousand, two hundred fourteen".