67421233 has 8 divisors (see below), whose sum is σ = 73958976. Its totient is φ = 60951600.

The previous prime is 67421227. The next prime is 67421239. The reversal of 67421233 is 33212476.

It is an interprime number because it is at equal distance from previous prime (67421227) and next prime (67421239).

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 67421233 - 2²⁵ = 33866801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67421239) 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, 14941 + ... + 18922.

It is an arithmetic number, because the mean of its divisors is an integer number (9244872).

Almost surely, 2^67421233 is an apocalyptic number.

It is an amenable number.

67421233 is a deficient number, since it is larger than the sum of its proper divisors (6537743).

67421233 is a wasteful number, since it uses less digits than its factorization.

67421233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34055.

The product of its digits is 6048, while the sum is 28.

The square root of 67421233 is about 8211.0433563586. The cubic root of 67421233 is about 407.0042056364.

The spelling of 67421233 in words is "sixty-seven million, four hundred twenty-one thousand, two hundred thirty-three".