68643234 has 32 divisors (see below), whose sum is σ = 166409280. Its totient is φ = 20800800.

The previous prime is 68643221. The next prime is 68643301. The reversal of 68643234 is 43234686.

It is a happy number.

68643234 is a `hidden beast` number, since 6 + 8 + 643 + 2 + 3 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57187 + ... + 58374.

It is an arithmetic number, because the mean of its divisors is an integer number (5200290).

Almost surely, 2^68643234 is an apocalyptic number.

68643234 is an abundant number, since it is smaller than the sum of its proper divisors (97766046).

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

68643234 is a wasteful number, since it uses less digits than its factorization.

68643234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115583 (or 115577 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 68643234 is about 8285.1212423235. The cubic root of 68643234 is about 409.4484632374.

The spelling of 68643234 in words is "sixty-eight million, six hundred forty-three thousand, two hundred thirty-four".