68446556 has 24 divisors (see below), whose sum is σ = 128622816. Its totient is φ = 31754240.

The previous prime is 68446541. The next prime is 68446591. The reversal of 68446556 is 65564486.

It is a super-2 number, since 2×68446556² = 9369862056522272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261 + ... + 11916.

It is an arithmetic number, because the mean of its divisors is an integer number (5359284).

Almost surely, 2^68446556 is an apocalyptic number.

It is an amenable number.

68446556 is a deficient number, since it is larger than the sum of its proper divisors (60176260).

68446556 is a wasteful number, since it uses less digits than its factorization.

68446556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14269 (or 14267 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The square root of 68446556 is about 8273.2433785064. The cubic root of 68446556 is about 409.0570357827.

The spelling of 68446556 in words is "sixty-eight million, four hundred forty-six thousand, five hundred fifty-six".