68678412 has 24 divisors (see below), whose sum is σ = 174818112. Its totient is φ = 20811600.

The previous prime is 68678387. The next prime is 68678429. The reversal of 68678412 is 21487686.

It is an unprimeable number.

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, 260014 + ... + 260277.

It is an arithmetic number, because the mean of its divisors is an integer number (7284088).

Almost surely, 2^68678412 is an apocalyptic number.

It is an amenable number.

68678412 is an abundant number, since it is smaller than the sum of its proper divisors (106139700).

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

68678412 is a wasteful number, since it uses less digits than its factorization.

68678412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520309 (or 520307 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 68678412 is about 8287.2439326956. The cubic root of 68678412 is about 409.5183954429.

The spelling of 68678412 in words is "sixty-eight million, six hundred seventy-eight thousand, four hundred twelve".