68428378 has 16 divisors (see below), whose sum is σ = 104618880. Its totient is φ = 33561216.

The previous prime is 68428363. The next prime is 68428379. The reversal of 68428378 is 87382486.

It is not an unprimeable number, because it can be changed into a prime (68428379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24426 + ... + 27082.

It is an arithmetic number, because the mean of its divisors is an integer number (6538680).

Almost surely, 2^68428378 is an apocalyptic number.

68428378 is a deficient number, since it is larger than the sum of its proper divisors (36190502).

68428378 is a wasteful number, since it uses less digits than its factorization.

68428378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901.

The product of its digits is 516096, while the sum is 46.

The square root of 68428378 is about 8272.1447037633. The cubic root of 68428378 is about 409.0208201930.

The spelling of 68428378 in words is "sixty-eight million, four hundred twenty-eight thousand, three hundred seventy-eight".