68078264 has 8 divisors (see below), whose sum is σ = 127646760. Its totient is φ = 34039128.

The previous prime is 68078243. The next prime is 68078281. The reversal of 68078264 is 46287086.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4254884 + ... + 4254899.

It is an arithmetic number, because the mean of its divisors is an integer number (15955845).

Almost surely, 2^68078264 is an apocalyptic number.

It is an amenable number.

68078264 is a deficient number, since it is larger than the sum of its proper divisors (59568496).

68078264 is a wasteful number, since it uses less digits than its factorization.

68078264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8509789 (or 8509785 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 68078264 is about 8250.9553386259. The cubic root of 68078264 is about 408.3220416517.

The spelling of 68078264 in words is "sixty-eight million, seventy-eight thousand, two hundred sixty-four".