68046005 has 8 divisors (see below), whose sum is σ = 81720792. Its totient is φ = 54393088.

The previous prime is 68045981. The next prime is 68046007. The reversal of 68046005 is 50064086.

It can be written as a sum of positive squares in 4 ways, for example, as 3179089 + 64866916 = 1783^2 + 8054^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68046005 - 2⁶ = 68045941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68046007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2417 + ... + 11913.

It is an arithmetic number, because the mean of its divisors is an integer number (10215099).

Almost surely, 2^68046005 is an apocalyptic number.

It is an amenable number.

68046005 is a deficient number, since it is larger than the sum of its proper divisors (13674787).

68046005 is a wasteful number, since it uses less digits than its factorization.

68046005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10935.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 68046005 is about 8249.0002424536. Note that the first 3 decimals coincide. The cubic root of 68046005 is about 408.2575367665.

The spelling of 68046005 in words is "sixty-eight million, forty-six thousand, five".