672223339 has 2 divisors, whose sum is σ = 672223340. Its totient is φ = 672223338.

The previous prime is 672223303. The next prime is 672223361. The reversal of 672223339 is 933322276.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672223339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 672223298 and 672223307.

It is not a weakly prime, because it can be changed into another prime (672223379) 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 as a sum of consecutive naturals, namely, 336111669 + 336111670.

It is an arithmetic number, because the mean of its divisors is an integer number (336111670).

Almost surely, 2^672223339 is an apocalyptic number.

672223339 is a deficient number, since it is larger than the sum of its proper divisors (1).

672223339 is an equidigital number, since it uses as much as digits as its factorization.

672223339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 37.

The square root of 672223339 is about 25927.2701802562. The cubic root of 672223339 is about 876.0008526885. Note that the first 3 decimals are identical.

The spelling of 672223339 in words is "six hundred seventy-two million, two hundred twenty-three thousand, three hundred thirty-nine".