68974161 has 16 divisors (see below), whose sum is σ = 96983040. Its totient is φ = 43482960.

The previous prime is 68974159. The next prime is 68974181. The reversal of 68974161 is 16147986.

It is not a de Polignac number, because 68974161 - 2¹ = 68974159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68974141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55416 + ... + 56646.

It is an arithmetic number, because the mean of its divisors is an integer number (6061440).

Almost surely, 2^68974161 is an apocalyptic number.

It is an amenable number.

68974161 is a deficient number, since it is larger than the sum of its proper divisors (28008879).

68974161 is a wasteful number, since it uses less digits than its factorization.

68974161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236.

The product of its digits is 72576, while the sum is 42.

The square root of 68974161 is about 8305.0683922530. The cubic root of 68974161 is about 410.1053883355.

The spelling of 68974161 in words is "sixty-eight million, nine hundred seventy-four thousand, one hundred sixty-one".