68423556 has 24 divisors (see below), whose sum is σ = 161451360. Its totient is φ = 22551232.

The previous prime is 68423533. The next prime is 68423569. The reversal of 68423556 is 65532486.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30966 + ... + 33101.

It is an arithmetic number, because the mean of its divisors is an integer number (6727140).

Almost surely, 2^68423556 is an apocalyptic number.

It is an amenable number.

68423556 is an abundant number, since it is smaller than the sum of its proper divisors (93027804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68423556 is a wasteful number, since it uses less digits than its factorization.

68423556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64163 (or 64161 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 68423556 is about 8271.8532385433. The cubic root of 68423556 is about 409.0112123627.

The spelling of 68423556 in words is "sixty-eight million, four hundred twenty-three thousand, five hundred fifty-six".