68322288 has 20 divisors (see below), whose sum is σ = 176499368. Its totient is φ = 22774080.

The previous prime is 68322263. The next prime is 68322299. The reversal of 68322288 is 88222386.

It is a nude number because it is divisible by every one of its digits.

It is a congruent 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, 711643 + ... + 711738.

Almost surely, 2^68322288 is an apocalyptic number.

It is an amenable number.

68322288 is an abundant number, since it is smaller than the sum of its proper divisors (108177080).

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

68322288 is a wasteful number, since it uses less digits than its factorization.

68322288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423392 (or 1423386 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 68322288 is about 8265.7297318507. The cubic root of 68322288 is about 408.8093316038.

The spelling of 68322288 in words is "sixty-eight million, three hundred twenty-two thousand, two hundred eighty-eight".