672223347 has 16 divisors (see below), whose sum is σ = 1009531680. Its totient is φ = 442008576.

The previous prime is 672223339. The next prime is 672223361. The reversal of 672223347 is 743322276.

It is not a de Polignac number, because 672223347 - 2³ = 672223339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672223397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168558 + ... + 172499.

It is an arithmetic number, because the mean of its divisors is an integer number (63095730).

Almost surely, 2^672223347 is an apocalyptic number.

672223347 is a deficient number, since it is larger than the sum of its proper divisors (337308333).

672223347 is a wasteful number, since it uses less digits than its factorization.

672223347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341139 (or 341133 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 672223347 is about 25927.2703345339. The cubic root of 672223347 is about 876.0008561635. Note that the first 3 decimals are identical.

The spelling of 672223347 in words is "six hundred seventy-two million, two hundred twenty-three thousand, three hundred forty-seven".