672767267 has 2 divisors, whose sum is σ = 672767268. Its totient is φ = 672767266.

The previous prime is 672767233. The next prime is 672767281. The reversal of 672767267 is 762767276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 672767267 - 2⁶ = 672767203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (672767467) 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, 336383633 + 336383634.

It is an arithmetic number, because the mean of its divisors is an integer number (336383634).

Almost surely, 2^672767267 is an apocalyptic number.

672767267 is a deficient number, since it is larger than the sum of its proper divisors (1).

672767267 is an equidigital number, since it uses as much as digits as its factorization.

672767267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2074464, while the sum is 50.

The square root of 672767267 is about 25937.7575553478. The cubic root of 672767267 is about 876.2370603630.

Subtracting 672767267 from its reverse (762767276), we obtain a palindrome (90000009).

The spelling of 672767267 in words is "six hundred seventy-two million, seven hundred sixty-seven thousand, two hundred sixty-seven".