68816432 has 20 divisors (see below), whose sum is σ = 133559160. Its totient is φ = 34349568.

The previous prime is 68816417. The next prime is 68816441. The reversal of 68816432 is 23461886.

It is a happy 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, 6944 + ... + 13632.

It is an arithmetic number, because the mean of its divisors is an integer number (6677958).

Almost surely, 2^68816432 is an apocalyptic number.

It is an amenable number.

68816432 is a deficient number, since it is larger than the sum of its proper divisors (64742728).

68816432 is a wasteful number, since it uses less digits than its factorization.

68816432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340 (or 7334 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 68816432 is about 8295.5670089512. The cubic root of 68816432 is about 409.7925422790.

The spelling of 68816432 in words is "sixty-eight million, eight hundred sixteen thousand, four hundred thirty-two".