67327121 has 4 divisors (see below), whose sum is σ = 68892912. Its totient is φ = 65761332.

The previous prime is 67327109. The next prime is 67327147. The reversal of 67327121 is 12172376.

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-67327121 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 (67327151) 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, 782831 + ... + 782916.

It is an arithmetic number, because the mean of its divisors is an integer number (17223228).

Almost surely, 2^67327121 is an apocalyptic number.

It is an amenable number.

67327121 is a deficient number, since it is larger than the sum of its proper divisors (1565791).

67327121 is a wasteful number, since it uses less digits than its factorization.

67327121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565790.

The product of its digits is 3528, while the sum is 29.

The square root of 67327121 is about 8205.3105364758. The cubic root of 67327121 is about 406.8147410097.

Adding to 67327121 its reverse (12172376), we get a palindrome (79499497).

The spelling of 67327121 in words is "sixty-seven million, three hundred twenty-seven thousand, one hundred twenty-one".