68393804 has 6 divisors (see below), whose sum is σ = 119689164. Its totient is φ = 34196900.

The previous prime is 68393783. The next prime is 68393807. The reversal of 68393804 is 40839386.

It is not an unprimeable number, because it can be changed into a prime (68393807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8549222 + ... + 8549229.

It is an arithmetic number, because the mean of its divisors is an integer number (19948194).

Almost surely, 2^68393804 is an apocalyptic number.

It is an amenable number.

68393804 is a deficient number, since it is larger than the sum of its proper divisors (51295360).

68393804 is a wasteful number, since it uses less digits than its factorization.

68393804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17098455 (or 17098453 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 68393804 is about 8270.0546552003. The cubic root of 68393804 is about 408.9519215449.

The spelling of 68393804 in words is "sixty-eight million, three hundred ninety-three thousand, eight hundred four".