68006013 has 4 divisors (see below), whose sum is σ = 90674688. Its totient is φ = 45337340.

The previous prime is 68005979. The next prime is 68006023. The reversal of 68006013 is 31060086.

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 a cyclic number.

It is not a de Polignac number, because 68006013 - 2¹² = 68001917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68006023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11334333 + ... + 11334338.

It is an arithmetic number, because the mean of its divisors is an integer number (22668672).

Almost surely, 2^68006013 is an apocalyptic number.

It is an amenable number.

68006013 is a deficient number, since it is larger than the sum of its proper divisors (22668675).

68006013 is a wasteful number, since it uses less digits than its factorization.

68006013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22668674.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 68006013 is about 8246.5758348541. The cubic root of 68006013 is about 408.1775407156.

Adding to 68006013 its reverse (31060086), we get a palindrome (99066099).

The spelling of 68006013 in words is "sixty-eight million, six thousand, thirteen".