67223472 has 20 divisors (see below), whose sum is σ = 173660760. Its totient is φ = 22407808.

The previous prime is 67223467. The next prime is 67223473. The reversal of 67223472 is 27432276.

It is not an unprimeable number, because it can be changed into a prime (67223473) 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, 700197 + ... + 700292.

It is an arithmetic number, because the mean of its divisors is an integer number (8683038).

Almost surely, 2^67223472 is an apocalyptic number.

It is an amenable number.

67223472 is an abundant number, since it is smaller than the sum of its proper divisors (106437288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67223472 is a wasteful number, since it uses less digits than its factorization.

67223472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400500 (or 1400494 counting only the distinct ones).

The product of its digits is 28224, while the sum is 33.

The square root of 67223472 is about 8198.9921331832. The cubic root of 67223472 is about 406.6058722462.

The spelling of 67223472 in words is "sixty-seven million, two hundred twenty-three thousand, four hundred seventy-two".