68678804 has 6 divisors (see below), whose sum is σ = 120187914. Its totient is φ = 34339400.

The previous prime is 68678803. The next prime is 68678807. The reversal of 68678804 is 40887686.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51868804 + 16810000 = 7202^2 + 4100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68678803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8584847 + ... + 8584854.

It is an arithmetic number, because the mean of its divisors is an integer number (20031319).

Almost surely, 2^68678804 is an apocalyptic number.

It is an amenable number.

68678804 is a deficient number, since it is larger than the sum of its proper divisors (51509110).

68678804 is a wasteful number, since it uses less digits than its factorization.

68678804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17169705 (or 17169703 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 68678804 is about 8287.2675834680. The cubic root of 68678804 is about 409.5191745859.

The spelling of 68678804 in words is "sixty-eight million, six hundred seventy-eight thousand, eight hundred four".