68971673 has 4 divisors (see below), whose sum is σ = 69054720. Its totient is φ = 68888628.

The previous prime is 68971627. The next prime is 68971711. The reversal of 68971673 is 37617986.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68971673 - 2²² = 64777369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68973673) 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, 40265 + ... + 41942.

It is an arithmetic number, because the mean of its divisors is an integer number (17263680).

Almost surely, 2^68971673 is an apocalyptic number.

It is an amenable number.

68971673 is a deficient number, since it is larger than the sum of its proper divisors (83047).

68971673 is an equidigital number, since it uses as much as digits as its factorization.

68971673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83046.

The product of its digits is 381024, while the sum is 47.

The square root of 68971673 is about 8304.9186028522. The cubic root of 68971673 is about 410.1004572402.

The spelling of 68971673 in words is "sixty-eight million, nine hundred seventy-one thousand, six hundred seventy-three".