68530368 has 28 divisors (see below), whose sum is σ = 181320440. Its totient is φ = 22843392.

The previous prime is 68530351. The next prime is 68530373. The reversal of 68530368 is 86303586.

It is a super-2 number, since 2×68530368² = 9392822676430848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 178273 + ... + 178656.

It is an arithmetic number, because the mean of its divisors is an integer number (6475730).

Almost surely, 2^68530368 is an apocalyptic number.

It is an amenable number.

68530368 is an abundant number, since it is smaller than the sum of its proper divisors (112790072).

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

68530368 is a wasteful number, since it uses less digits than its factorization.

68530368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356944 (or 356934 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 68530368 is about 8278.3070733091. The cubic root of 68530368 is about 409.2239295189.

The spelling of 68530368 in words is "sixty-eight million, five hundred thirty thousand, three hundred sixty-eight".