68238330 has 32 divisors (see below), whose sum is σ = 164977344. Its totient is φ = 18062976.

The previous prime is 68238311. The next prime is 68238337. The reversal of 68238330 is 3383286.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68238291 and 68238300.

It is not an unprimeable number, because it can be changed into a prime (68238337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4192 + ... + 12411.

It is an arithmetic number, because the mean of its divisors is an integer number (5155542).

Almost surely, 2^68238330 is an apocalyptic number.

68238330 is an abundant number, since it is smaller than the sum of its proper divisors (96739014).

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

68238330 is a wasteful number, since it uses less digits than its factorization.

68238330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16750.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 68238330 is about 8260.6494902035. The cubic root of 68238330 is about 408.6418075366.

The spelling of 68238330 in words is "sixty-eight million, two hundred thirty-eight thousand, three hundred thirty".