672245224 has 32 divisors (see below), whose sum is σ = 1442949120. Its totient is φ = 287620416.

The previous prime is 672245191. The next prime is 672245239. The reversal of 672245224 is 422542276.

It is a self number, because there is not a number n which added to its sum of digits gives 672245224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24537 + ... + 44119.

It is an arithmetic number, because the mean of its divisors is an integer number (45092160).

Almost surely, 2^672245224 is an apocalyptic number.

It is an amenable number.

672245224 is an abundant number, since it is smaller than the sum of its proper divisors (770703896).

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

672245224 is a wasteful number, since it uses less digits than its factorization.

672245224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20209 (or 20205 counting only the distinct ones).

The product of its digits is 53760, while the sum is 34.

The square root of 672245224 is about 25927.6922227953. The cubic root of 672245224 is about 876.0103589887.

The spelling of 672245224 in words is "six hundred seventy-two million, two hundred forty-five thousand, two hundred twenty-four".