68711605 has 8 divisors (see below), whose sum is σ = 82519200. Its totient is φ = 54925776.

The previous prime is 68711597. The next prime is 68711641. The reversal of 68711605 is 50611786.

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 68711605 - 2³ = 68711597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2586 + ... + 12004.

It is an arithmetic number, because the mean of its divisors is an integer number (10314900).

Almost surely, 2^68711605 is an apocalyptic number.

It is an amenable number.

68711605 is a deficient number, since it is larger than the sum of its proper divisors (13807595).

68711605 is a wasteful number, since it uses less digits than its factorization.

68711605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10883.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 68711605 is about 8289.2463469244. The cubic root of 68711605 is about 409.5843596685.

The spelling of 68711605 in words is "sixty-eight million, seven hundred eleven thousand, six hundred five".