68215514 has 8 divisors (see below), whose sum is σ = 103850688. Its totient is φ = 33598620.

The previous prime is 68215489. The next prime is 68215519. The reversal of 68215514 is 41551286.

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

It is not an unprimeable number, because it can be changed into a prime (68215519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254402 + ... + 254669.

It is an arithmetic number, because the mean of its divisors is an integer number (12981336).

Almost surely, 2^68215514 is an apocalyptic number.

68215514 is a deficient number, since it is larger than the sum of its proper divisors (35635174).

68215514 is a wasteful number, since it uses less digits than its factorization.

68215514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509140.

The product of its digits is 9600, while the sum is 32.

The square root of 68215514 is about 8259.2683695349. The cubic root of 68215514 is about 408.5962583035.

The spelling of 68215514 in words is "sixty-eight million, two hundred fifteen thousand, five hundred fourteen".