68941178 has 16 divisors (see below), whose sum is σ = 107217000. Its totient is φ = 33207552.

The previous prime is 68941157. The next prime is 68941193. The reversal of 68941178 is 87114986.

It can be written as a sum of positive squares in 4 ways, for example, as 60949249 + 7991929 = 7807^2 + 2827^2 .

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, 31958 + ... + 34046.

Almost surely, 2^68941178 is an apocalyptic number.

68941178 is a deficient number, since it is larger than the sum of its proper divisors (38275822).

68941178 is a wasteful number, since it uses less digits than its factorization.

68941178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689.

The product of its digits is 96768, while the sum is 44.

The square root of 68941178 is about 8303.0824396726. The cubic root of 68941178 is about 410.0400079936.

The spelling of 68941178 in words is "sixty-eight million, nine hundred forty-one thousand, one hundred seventy-eight".