68408230 has 16 divisors (see below), whose sum is σ = 134329104. Its totient is φ = 24875680.

The previous prime is 68408191. The next prime is 68408239. The reversal of 68408230 is 3280486.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68408192 and 68408201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68408239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310837 + ... + 311056.

It is an arithmetic number, because the mean of its divisors is an integer number (8395569).

Almost surely, 2^68408230 is an apocalyptic number.

68408230 is a deficient number, since it is larger than the sum of its proper divisors (65920874).

68408230 is a wasteful number, since it uses less digits than its factorization.

68408230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621911.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 68408230 is about 8270.9267920832. The cubic root of 68408230 is about 408.9806723251.

The spelling of 68408230 in words is "sixty-eight million, four hundred eight thousand, two hundred thirty".