68263308 has 18 divisors (see below), whose sum is σ = 172554564. Its totient is φ = 22754424.

The previous prime is 68263301. The next prime is 68263309. The reversal of 68263308 is 80336286.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1896203 = 68263308 / (6 + 8 + 2 + 6 + 3 + 3 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (68263301) 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 in 5 ways as a sum of consecutive naturals, for example, 948066 + ... + 948137.

Almost surely, 2^68263308 is an apocalyptic number.

It is an amenable number.

68263308 is an abundant number, since it is smaller than the sum of its proper divisors (104291256).

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

68263308 is a wasteful number, since it uses less digits than its factorization.

68263308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896213 (or 1896208 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 68263308 is about 8262.1612184706. The cubic root of 68263308 is about 408.6916612866.

The spelling of 68263308 in words is "sixty-eight million, two hundred sixty-three thousand, three hundred eight".