68178049 has 9 divisors (see below), whose sum is σ = 71470273. Its totient is φ = 65032132.

The previous prime is 68178031. The next prime is 68178113. The reversal of 68178049 is 94087186.

The square root of 68178049 is 8257.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 68178049 - 2¹⁷ = 68046977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68177996 and 68178014.

It is not an unprimeable number, because it can be changed into a prime (68178949) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 189732 + ... + 190090.

Almost surely, 2^68178049 is an apocalyptic number.

68178049 is the 8257-th square number.

68178049 is the 4129-th centered octagonal number.

It is an amenable number.

68178049 is a deficient number, since it is larger than the sum of its proper divisors (3292224).

68178049 is an frugal number, since it uses more digits than its factorization.

68178049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The cubic root of 68178049 is about 408.5214421742.

The spelling of 68178049 in words is "sixty-eight million, one hundred seventy-eight thousand, forty-nine".