68589518 has 4 divisors (see below), whose sum is σ = 102884280. Its totient is φ = 34294758.

The previous prime is 68589491. The next prime is 68589523. The reversal of 68589518 is 81598586.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17147378 + ... + 17147381.

It is an arithmetic number, because the mean of its divisors is an integer number (25721070).

Almost surely, 2^68589518 is an apocalyptic number.

68589518 is a deficient number, since it is larger than the sum of its proper divisors (34294762).

68589518 is a wasteful number, since it uses less digits than its factorization.

68589518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34294761.

The product of its digits is 691200, while the sum is 50.

The square root of 68589518 is about 8281.8788931015. The cubic root of 68589518 is about 409.3416322511.

The spelling of 68589518 in words is "sixty-eight million, five hundred eighty-nine thousand, five hundred eighteen".