68200005 has 16 divisors (see below), whose sum is σ = 115539264. Its totient is φ = 34233600.

The previous prime is 68199983. The next prime is 68200007. The reversal of 68200005 is 50000286.

68200005 = 1938² + 1939² + ... + 1955².

It is a happy number.

It is not a de Polignac number, because 68200005 - 2⁷ = 68199877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68200007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133471 + ... + 133980.

It is an arithmetic number, because the mean of its divisors is an integer number (7221204).

Almost surely, 2^68200005 is an apocalyptic number.

It is an amenable number.

68200005 is a deficient number, since it is larger than the sum of its proper divisors (47339259).

68200005 is a wasteful number, since it uses less digits than its factorization.

68200005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267476.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 68200005 is about 8258.3294315497. The cubic root of 68200005 is about 408.5652907650.

The spelling of 68200005 in words is "sixty-eight million, two hundred thousand, five".