68027969 has 4 divisors (see below), whose sum is σ = 68064000. Its totient is φ = 67991940.

The previous prime is 68027963. The next prime is 68027977. The reversal of 68027969 is 96972086.

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 a de Polignac number, because none of the positive numbers 2^k-68027969 is a prime.

It is a super-2 number, since 2×68027969² = 9255609132529922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68027963) 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, 15017 + ... + 19014.

It is an arithmetic number, because the mean of its divisors is an integer number (17016000).

Almost surely, 2^68027969 is an apocalyptic number.

It is an amenable number.

68027969 is a deficient number, since it is larger than the sum of its proper divisors (36031).

68027969 is a wasteful number, since it uses less digits than its factorization.

68027969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36030.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 68027969 is about 8247.9069466138. The cubic root of 68027969 is about 408.2214632130.

The spelling of 68027969 in words is "sixty-eight million, twenty-seven thousand, nine hundred sixty-nine".