67679121 has 8 divisors (see below), whose sum is σ = 94988320. Its totient is φ = 42744672.

The previous prime is 67679093. The next prime is 67679141. The reversal of 67679121 is 12197676.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67679121 - 2²³ = 59290513 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 67679121.

It is not an unprimeable number, because it can be changed into a prime (67679141) 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, 593620 + ... + 593733.

It is an arithmetic number, because the mean of its divisors is an integer number (11873540).

Almost surely, 2^67679121 is an apocalyptic number.

It is an amenable number.

67679121 is a deficient number, since it is larger than the sum of its proper divisors (27309199).

67679121 is a wasteful number, since it uses less digits than its factorization.

67679121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187375.

The product of its digits is 31752, while the sum is 39.

The square root of 67679121 is about 8226.7320972547. The cubic root of 67679121 is about 407.5224793451.

It can be divided in two parts, 676 and 79121, that added together give a palindrome (79797).

The spelling of 67679121 in words is "sixty-seven million, six hundred seventy-nine thousand, one hundred twenty-one".