68510613 has 8 divisors (see below), whose sum is σ = 91398528. Its totient is φ = 45648224.

The previous prime is 68510597. The next prime is 68510627. The reversal of 68510613 is 31601586.

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 68510613 - 2⁴ = 68510597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68510683) 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, 1156 + ... + 11762.

It is an arithmetic number, because the mean of its divisors is an integer number (11424816).

Almost surely, 2^68510613 is an apocalyptic number.

It is an amenable number.

68510613 is a deficient number, since it is larger than the sum of its proper divisors (22887915).

68510613 is a wasteful number, since it uses less digits than its factorization.

68510613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12763.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 68510613 is about 8277.1138085688. The cubic root of 68510613 is about 409.1846039085.

The spelling of 68510613 in words is "sixty-eight million, five hundred ten thousand, six hundred thirteen".