68514613 has 4 divisors (see below), whose sum is σ = 68799148. Its totient is φ = 68230080.

The previous prime is 68514599. The next prime is 68514623. The reversal of 68514613 is 31641586.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33385284 + 35129329 = 5778^2 + 5927^2 .

It is a cyclic number.

It is not a de Polignac number, because 68514613 - 2⁵ = 68514581 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 (68514623) 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, 141906 + ... + 142387.

It is an arithmetic number, because the mean of its divisors is an integer number (17199787).

Almost surely, 2^68514613 is an apocalyptic number.

It is an amenable number.

68514613 is a deficient number, since it is larger than the sum of its proper divisors (284535).

68514613 is a wasteful number, since it uses less digits than its factorization.

68514613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284534.

The product of its digits is 17280, while the sum is 34.

The square root of 68514613 is about 8277.3554351616. The cubic root of 68514613 is about 409.1925671836.

The spelling of 68514613 in words is "sixty-eight million, five hundred fourteen thousand, six hundred thirteen".