68194944 has 48 divisors (see below), whose sum is σ = 196241370. Its totient is φ = 22731264.

The previous prime is 68194913. The next prime is 68194957. The reversal of 68194944 is 44949186.

It can be written as a sum of positive squares in only one way, i.e., 60840000 + 7354944 = 7800^2 + 2712^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 68194944.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28447 + ... + 30750.

Almost surely, 2^68194944 is an apocalyptic number.

68194944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68194944 is an abundant number, since it is smaller than the sum of its proper divisors (128046426).

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

68194944 is a wasteful number, since it uses less digits than its factorization.

68194944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59217 (or 59202 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 68194944 is about 8258.0230079602. The cubic root of 68194944 is about 408.5551842159. Note that the first 3 decimals are identical.

The spelling of 68194944 in words is "sixty-eight million, one hundred ninety-four thousand, nine hundred forty-four".