68178050 has 48 divisors (see below), whose sum is σ = 131676840. Its totient is φ = 26242560.

The previous prime is 68178031. The next prime is 68178113. The reversal of 68178050 is 5087186.

It is a happy number.

It is a Cunningham number, because it is equal to 8257²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 4481689 + 63696361 = 2117^2 + 7981^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68178050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253316 + ... + 253584.

Almost surely, 2^68178050 is an apocalyptic number.

68178050 is a deficient number, since it is larger than the sum of its proper divisors (63498790).

68178050 is a wasteful number, since it uses less digits than its factorization.

68178050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 68178050 is about 8257.0000605547. Note that the first 4 decimals coincide. The cubic root of 68178050 is about 408.5214441715.

The spelling of 68178050 in words is "sixty-eight million, one hundred seventy-eight thousand, fifty".