68078245 has 16 divisors (see below), whose sum is σ = 85643712. Its totient is φ = 51891840.

The previous prime is 68078243. The next prime is 68078281. The reversal of 68078245 is 54287086.

It is not a de Polignac number, because 68078245 - 2¹ = 68078243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68078198 and 68078207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68078243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4954 + ... + 12676.

It is an arithmetic number, because the mean of its divisors is an integer number (5352732).

Almost surely, 2^68078245 is an apocalyptic number.

It is an amenable number.

68078245 is a deficient number, since it is larger than the sum of its proper divisors (17565467).

68078245 is a wasteful number, since it uses less digits than its factorization.

68078245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7812.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 68078245 is about 8250.9541872440. The cubic root of 68078245 is about 408.3220036655.

The spelling of 68078245 in words is "sixty-eight million, seventy-eight thousand, two hundred forty-five".