68971697 has 8 divisors (see below), whose sum is σ = 69784416. Its totient is φ = 68162752.

The previous prime is 68971627. The next prime is 68971711. The reversal of 68971697 is 79617986.

It is a happy number.

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 68971697 - 2¹⁶ = 68906161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68971627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52118 + ... + 53424.

It is an arithmetic number, because the mean of its divisors is an integer number (8723052).

Almost surely, 2^68971697 is an apocalyptic number.

It is an amenable number.

68971697 is a deficient number, since it is larger than the sum of its proper divisors (812719).

68971697 is a wasteful number, since it uses less digits than its factorization.

68971697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887.

The product of its digits is 1143072, while the sum is 53.

The square root of 68971697 is about 8304.9200477789. The cubic root of 68971697 is about 410.1005048076.

The spelling of 68971697 in words is "sixty-eight million, nine hundred seventy-one thousand, six hundred ninety-seven".