68214184 has 8 divisors (see below), whose sum is σ = 127901610. Its totient is φ = 34107088.

The previous prime is 68214169. The next prime is 68214187. The reversal of 68214184 is 48141286.

It can be written as a sum of positive squares in only one way, i.e., 59629284 + 8584900 = 7722^2 + 2930^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (68214187) by changing a digit.

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 as a sum of consecutive naturals, namely, 4263379 + ... + 4263394.

Almost surely, 2^68214184 is an apocalyptic number.

It is an amenable number.

68214184 is a deficient number, since it is larger than the sum of its proper divisors (59687426).

68214184 is a wasteful number, since it uses less digits than its factorization.

68214184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8526779 (or 8526775 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 68214184 is about 8259.1878535362. The cubic root of 68214184 is about 408.5936028149.

The spelling of 68214184 in words is "sixty-eight million, two hundred fourteen thousand, one hundred eighty-four".