68421104 has 20 divisors (see below), whose sum is σ = 132864264. Its totient is φ = 34133568.

The previous prime is 68421097. The next prime is 68421163. The reversal of 68421104 is 40112486.

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, 2894 + ... + 12050.

Almost surely, 2^68421104 is an apocalyptic number.

It is an amenable number.

68421104 is a deficient number, since it is larger than the sum of its proper divisors (64443160).

68421104 is a wasteful number, since it uses less digits than its factorization.

68421104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9632 (or 9626 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 68421104 is about 8271.7050237542. The cubic root of 68421104 is about 409.0063265820.

The spelling of 68421104 in words is "sixty-eight million, four hundred twenty-one thousand, one hundred four".