68591683 has 4 divisors (see below), whose sum is σ = 68891440. Its totient is φ = 68291928.

The previous prime is 68591639. The next prime is 68591693. The reversal of 68591683 is 38619586.

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

It is a cyclic number.

It is not a de Polignac number, because 68591683 - 2²⁵ = 35037251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68591693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149535 + ... + 149992.

It is an arithmetic number, because the mean of its divisors is an integer number (17222860).

Almost surely, 2^68591683 is an apocalyptic number.

68591683 is a deficient number, since it is larger than the sum of its proper divisors (299757).

68591683 is a wasteful number, since it uses less digits than its factorization.

68591683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299756.

The product of its digits is 311040, while the sum is 46.

The square root of 68591683 is about 8282.0095991251. The cubic root of 68591683 is about 409.3459391060.

The spelling of 68591683 in words is "sixty-eight million, five hundred ninety-one thousand, six hundred eighty-three".