68233633 has 4 divisors (see below), whose sum is σ = 73482388. Its totient is φ = 62984880.

The previous prime is 68233609. The next prime is 68233637. The reversal of 68233633 is 33633286.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31169889 + 37063744 = 5583^2 + 6088^2 .

It is a cyclic number.

It is not a de Polignac number, because 68233633 - 2⁵ = 68233601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68233637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2624358 + ... + 2624383.

It is an arithmetic number, because the mean of its divisors is an integer number (18370597).

Almost surely, 2^68233633 is an apocalyptic number.

It is an amenable number.

68233633 is a deficient number, since it is larger than the sum of its proper divisors (5248755).

68233633 is a wasteful number, since it uses less digits than its factorization.

68233633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5248754.

The product of its digits is 46656, while the sum is 34.

The square root of 68233633 is about 8260.3651856319. The cubic root of 68233633 is about 408.6324314054.

The spelling of 68233633 in words is "sixty-eight million, two hundred thirty-three thousand, six hundred thirty-three".