672167833 has 2 divisors, whose sum is σ = 672167834. Its totient is φ = 672167832.

The previous prime is 672167831. The next prime is 672167843. The reversal of 672167833 is 338761276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471888729 + 200279104 = 21723^2 + 14152^2 .

It is a cyclic number.

It is not a de Polignac number, because 672167833 - 2¹ = 672167831 is a prime.

Together with 672167831, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 672167833.

It is not a weakly prime, because it can be changed into another prime (672167831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336083916 + 336083917.

It is an arithmetic number, because the mean of its divisors is an integer number (336083917).

Almost surely, 2^672167833 is an apocalyptic number.

It is an amenable number.

672167833 is a deficient number, since it is larger than the sum of its proper divisors (1).

672167833 is an equidigital number, since it uses as much as digits as its factorization.

672167833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 672167833 is about 25926.1997408027. The cubic root of 672167833 is about 875.9767413360.

The spelling of 672167833 in words is "six hundred seventy-two million, one hundred sixty-seven thousand, eight hundred thirty-three".