672229433 has 2 divisors, whose sum is σ = 672229434. Its totient is φ = 672229432.

The previous prime is 672229423. The next prime is 672229447. The reversal of 672229433 is 334922276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 671172649 + 1056784 = 25907^2 + 1028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672229433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (672229403) 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, 336114716 + 336114717.

It is an arithmetic number, because the mean of its divisors is an integer number (336114717).

Almost surely, 2^672229433 is an apocalyptic number.

It is an amenable number.

672229433 is a deficient number, since it is larger than the sum of its proper divisors (1).

672229433 is an equidigital number, since it uses as much as digits as its factorization.

672229433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 38.

The square root of 672229433 is about 25927.3877010392. The cubic root of 672229433 is about 876.0034997914.

The spelling of 672229433 in words is "six hundred seventy-two million, two hundred twenty-nine thousand, four hundred thirty-three".