672223344 has 240 divisors, whose sum is σ = 2068617600. Its totient is φ = 186416640.

The previous prime is 672223339. The next prime is 672223361. The reversal of 672223344 is 443322276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11393587 + ... + 11393645.

It is an arithmetic number, because the mean of its divisors is an integer number (8619240).

Almost surely, 2^672223344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672223344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034308800).

672223344 is an abundant number, since it is smaller than the sum of its proper divisors (1396394256).

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

672223344 is a wasteful number, since it uses less digits than its factorization.

672223344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 127 counting only the distinct ones).

The product of its digits is 48384, while the sum is 33.

The square root of 672223344 is about 25927.2702766797. The cubic root of 672223344 is about 876.0008548604. Note that the first 3 decimals are identical.

The spelling of 672223344 in words is "six hundred seventy-two million, two hundred twenty-three thousand, three hundred forty-four".