68868633 has 4 divisors (see below), whose sum is σ = 91824848. Its totient is φ = 45912420.

The previous prime is 68868623. The next prime is 68868637. The reversal of 68868633 is 33686886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 68868633 - 2⁴ = 68868617 is a prime.

It is a super-2 number, since 2×68868633² = 9485777222577378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68868637) 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, 11478103 + ... + 11478108.

It is an arithmetic number, because the mean of its divisors is an integer number (22956212).

Almost surely, 2^68868633 is an apocalyptic number.

It is an amenable number.

68868633 is a deficient number, since it is larger than the sum of its proper divisors (22956215).

68868633 is a wasteful number, since it uses less digits than its factorization.

68868633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22956214.

The product of its digits is 995328, while the sum is 48.

The square root of 68868633 is about 8298.7127315024. The cubic root of 68868633 is about 409.8961327213.

The spelling of 68868633 in words is "sixty-eight million, eight hundred sixty-eight thousand, six hundred thirty-three".