68457288 has 16 divisors (see below), whose sum is σ = 171143280. Its totient is φ = 22819088.

The previous prime is 68457281. The next prime is 68457299. The reversal of 68457288 is 88275486.

It is not an unprimeable number, because it can be changed into a prime (68457281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426170 + ... + 1426217.

It is an arithmetic number, because the mean of its divisors is an integer number (10696455).

Almost surely, 2^68457288 is an apocalyptic number.

It is an amenable number.

68457288 is an abundant number, since it is smaller than the sum of its proper divisors (102685992).

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

68457288 is a wasteful number, since it uses less digits than its factorization.

68457288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852396 (or 2852392 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 68457288 is about 8273.8919499834. The cubic root of 68457288 is about 409.0784138765.

The spelling of 68457288 in words is "sixty-eight million, four hundred fifty-seven thousand, two hundred eighty-eight".