672329233 has 2 divisors, whose sum is σ = 672329234. Its totient is φ = 672329232.

The previous prime is 672329171. The next prime is 672329291. The reversal of 672329233 is 332923276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 599858064 + 72471169 = 24492^2 + 8513^2 .

It is a cyclic number.

It is not a de Polignac number, because 672329233 - 2²⁹ = 135458321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 672329192 and 672329201.

It is not a weakly prime, because it can be changed into another prime (672329293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336164616 + 336164617.

It is an arithmetic number, because the mean of its divisors is an integer number (336164617).

Almost surely, 2^672329233 is an apocalyptic number.

It is an amenable number.

672329233 is a deficient number, since it is larger than the sum of its proper divisors (1).

672329233 is an equidigital number, since it uses as much as digits as its factorization.

672329233 is an evil number, because the sum of its binary digits is even.

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

The square root of 672329233 is about 25929.3122353833. The cubic root of 672329233 is about 876.0468484950.

The spelling of 672329233 in words is "six hundred seventy-two million, three hundred twenty-nine thousand, two hundred thirty-three".