68459236 has 6 divisors (see below), whose sum is σ = 119803670. Its totient is φ = 34229616.

The previous prime is 68459233. The next prime is 68459239. The reversal of 68459236 is 63295486.

It is an interprime number because it is at equal distance from previous prime (68459233) and next prime (68459239).

It can be written as a sum of positive squares in only one way, i.e., 42510400 + 25948836 = 6520^2 + 5094^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68459192 and 68459201.

It is not an unprimeable number, because it can be changed into a prime (68459233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8557401 + ... + 8557408.

Almost surely, 2^68459236 is an apocalyptic number.

It is an amenable number.

68459236 is a deficient number, since it is larger than the sum of its proper divisors (51344434).

68459236 is a wasteful number, since it uses less digits than its factorization.

68459236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17114813 (or 17114811 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 68459236 is about 8274.0096688365. The cubic root of 68459236 is about 409.0822940438.

The spelling of 68459236 in words is "sixty-eight million, four hundred fifty-nine thousand, two hundred thirty-six".