68663104 has 28 divisors (see below), whose sum is σ = 136595104. Its totient is φ = 34245504.

The previous prime is 68663059. The next prime is 68663113. The reversal of 68663104 is 40136686.

It is a self number, because there is not a number n which added to its sum of digits gives 68663104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30067 + ... + 32269.

Almost surely, 2^68663104 is an apocalyptic number.

68663104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68663104 is a deficient number, since it is larger than the sum of its proper divisors (67932000).

68663104 is a wasteful number, since it uses less digits than its factorization.

68663104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702 (or 2692 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 68663104 is about 8286.3202931096. The cubic root of 68663104 is about 409.4879667962.

The spelling of 68663104 in words is "sixty-eight million, six hundred sixty-three thousand, one hundred four".