68941394 has 8 divisors (see below), whose sum is σ = 103652220. Its totient is φ = 34390656.

The previous prime is 68941391. The next prime is 68941403. The reversal of 68941394 is 49314986.

It can be written as a sum of positive squares in 2 ways, for example, as 68277169 + 664225 = 8263^2 + 815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68941391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38939 + ... + 40670.

Almost surely, 2^68941394 is an apocalyptic number.

68941394 is a deficient number, since it is larger than the sum of its proper divisors (34710826).

68941394 is a wasteful number, since it uses less digits than its factorization.

68941394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80044.

The product of its digits is 186624, while the sum is 44.

The square root of 68941394 is about 8303.0954468800. The cubic root of 68941394 is about 410.0404362260.

The spelling of 68941394 in words is "sixty-eight million, nine hundred forty-one thousand, three hundred ninety-four".