68154808 has 8 divisors (see below), whose sum is σ = 127790280. Its totient is φ = 34077400.

The previous prime is 68154761. The next prime is 68154829. The reversal of 68154808 is 80845186.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4259668 + ... + 4259683.

It is an arithmetic number, because the mean of its divisors is an integer number (15973785).

Almost surely, 2^68154808 is an apocalyptic number.

It is an amenable number.

68154808 is a deficient number, since it is larger than the sum of its proper divisors (59635472).

68154808 is a wasteful number, since it uses less digits than its factorization.

68154808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8519357 (or 8519353 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 68154808 is about 8255.5925287044. The cubic root of 68154808 is about 408.4750170367.

The spelling of 68154808 in words is "sixty-eight million, one hundred fifty-four thousand, eight hundred eight".