68717485 has 8 divisors (see below), whose sum is σ = 87311736. Its totient is φ = 51740160.

The previous prime is 68717461. The next prime is 68717497. The reversal of 68717485 is 58471786.

It can be written as a sum of positive squares in 4 ways, for example, as 33895684 + 34821801 = 5822^2 + 5901^2 .

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

It is not a de Polignac number, because 68717485 - 2¹³ = 68709293 is a prime.

It is a Duffinian number.

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, 404136 + ... + 404305.

It is an arithmetic number, because the mean of its divisors is an integer number (10913967).

Almost surely, 2^68717485 is an apocalyptic number.

It is an amenable number.

68717485 is a deficient number, since it is larger than the sum of its proper divisors (18594251).

68717485 is a wasteful number, since it uses less digits than its factorization.

68717485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808463.

The product of its digits is 376320, while the sum is 46.

The square root of 68717485 is about 8289.6010157305. The cubic root of 68717485 is about 409.5960427379.

The spelling of 68717485 in words is "sixty-eight million, seven hundred seventeen thousand, four hundred eighty-five".