68007513 has 8 divisors (see below), whose sum is σ = 103630528. Its totient is φ = 38861424.

The previous prime is 68007503. The next prime is 68007547. The reversal of 68007513 is 31570086.

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

It is not a de Polignac number, because 68007513 - 2¹⁴ = 67991129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68007503) 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 7 ways as a sum of consecutive naturals, for example, 1619206 + ... + 1619247.

It is an arithmetic number, because the mean of its divisors is an integer number (12953816).

Almost surely, 2^68007513 is an apocalyptic number.

It is an amenable number.

68007513 is a deficient number, since it is larger than the sum of its proper divisors (35623015).

68007513 is a wasteful number, since it uses less digits than its factorization.

68007513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238463.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 68007513 is about 8246.6667811911. Note that the first 3 decimals coincide. The cubic root of 68007513 is about 408.1805417336.

Adding to 68007513 its reverse (31570086), we get a palindrome (99577599).

The spelling of 68007513 in words is "sixty-eight million, seven thousand, five hundred thirteen".