68591227 has 4 divisors (see below), whose sum is σ = 68731416. Its totient is φ = 68451040.

The previous prime is 68591219. The next prime is 68591231. The reversal of 68591227 is 72219586.

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 68591227 - 2³ = 68591219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68591227.

It is not an unprimeable number, because it can be changed into a prime (68591287) 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, 69358 + ... + 70339.

It is an arithmetic number, because the mean of its divisors is an integer number (17182854).

Almost surely, 2^68591227 is an apocalyptic number.

68591227 is a deficient number, since it is larger than the sum of its proper divisors (140189).

68591227 is a wasteful number, since it uses less digits than its factorization.

68591227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140188.

The product of its digits is 60480, while the sum is 40.

The square root of 68591227 is about 8281.9820695290. The cubic root of 68591227 is about 409.3450319884.

The spelling of 68591227 in words is "sixty-eight million, five hundred ninety-one thousand, two hundred twenty-seven".