68200733 has 4 divisors (see below), whose sum is σ = 68242620. Its totient is φ = 68158848.

The previous prime is 68200723. The next prime is 68200757. The reversal of 68200733 is 33700286.

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 31561924 + 36638809 = 5618^2 + 6053^2 .

It is a cyclic number.

It is not a de Polignac number, because 68200733 - 2¹⁴ = 68184349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68200696 and 68200705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68200703) 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, 18398 + ... + 21791.

It is an arithmetic number, because the mean of its divisors is an integer number (17060655).

Almost surely, 2^68200733 is an apocalyptic number.

It is an amenable number.

68200733 is a deficient number, since it is larger than the sum of its proper divisors (41887).

68200733 is a wasteful number, since it uses less digits than its factorization.

68200733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41886.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 68200733 is about 8258.3735081431. The cubic root of 68200733 is about 408.5667445013.

The spelling of 68200733 in words is "sixty-eight million, two hundred thousand, seven hundred thirty-three".