68933233 has 4 divisors (see below), whose sum is σ = 70063348. Its totient is φ = 67803120.

The previous prime is 68933213. The next prime is 68933239. The reversal of 68933233 is 33233986.

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 37662769 + 31270464 = 6137^2 + 5592^2 .

It is a cyclic number.

It is not a de Polignac number, because 68933233 - 2⁵ = 68933201 is a prime.

It is a super-2 number, since 2×68933233² = 9503581223664578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68933192 and 68933201.

It is not an unprimeable number, because it can be changed into a prime (68933239) 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, 564966 + ... + 565087.

It is an arithmetic number, because the mean of its divisors is an integer number (17515837).

Almost surely, 2^68933233 is an apocalyptic number.

It is an amenable number.

68933233 is a deficient number, since it is larger than the sum of its proper divisors (1130115).

68933233 is a wasteful number, since it uses less digits than its factorization.

68933233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130114.

The product of its digits is 69984, while the sum is 37.

The square root of 68933233 is about 8302.6039891109. The cubic root of 68933233 is about 410.0242559514.

The spelling of 68933233 in words is "sixty-eight million, nine hundred thirty-three thousand, two hundred thirty-three".