68428194 has 16 divisors (see below), whose sum is σ = 139439232. Its totient is φ = 22378928.

The previous prime is 68428181. The next prime is 68428201. The reversal of 68428194 is 49182486.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107274 + ... + 107909.

It is an arithmetic number, because the mean of its divisors is an integer number (8714952).

Almost surely, 2^68428194 is an apocalyptic number.

68428194 is an abundant number, since it is smaller than the sum of its proper divisors (71011038).

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

68428194 is a wasteful number, since it uses less digits than its factorization.

68428194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215241.

The product of its digits is 110592, while the sum is 42.

The square root of 68428194 is about 8272.1335820936. The cubic root of 68428194 is about 409.0204535815.

The spelling of 68428194 in words is "sixty-eight million, four hundred twenty-eight thousand, one hundred ninety-four".