672629033 has 2 divisors, whose sum is σ = 672629034. Its totient is φ = 672629032.

The previous prime is 672629029. The next prime is 672629039. The reversal of 672629033 is 330926276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619163689 + 53465344 = 24883^2 + 7312^2 .

It is a cyclic number.

It is not a de Polignac number, because 672629033 - 2² = 672629029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (672629039) 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, 336314516 + 336314517.

It is an arithmetic number, because the mean of its divisors is an integer number (336314517).

Almost surely, 2^672629033 is an apocalyptic number.

It is an amenable number.

672629033 is a deficient number, since it is larger than the sum of its proper divisors (1).

672629033 is an equidigital number, since it uses as much as digits as its factorization.

672629033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 672629033 is about 25935.0926931060. The cubic root of 672629033 is about 876.1770425546.

The spelling of 672629033 in words is "six hundred seventy-two million, six hundred twenty-nine thousand, thirty-three".