672268693 has 2 divisors, whose sum is σ = 672268694. Its totient is φ = 672268692.

The previous prime is 672268673. The next prime is 672268699. The reversal of 672268693 is 396862276.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 660592804 + 11675889 = 25702^2 + 3417^2 .

It is a cyclic number.

It is not a de Polignac number, because 672268693 - 2²⁵ = 638714261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672268699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336134346 + 336134347.

It is an arithmetic number, because the mean of its divisors is an integer number (336134347).

Almost surely, 2^672268693 is an apocalyptic number.

It is an amenable number.

672268693 is a deficient number, since it is larger than the sum of its proper divisors (1).

672268693 is an equidigital number, since it uses as much as digits as its factorization.

672268693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 49.

The square root of 672268693 is about 25928.1448044398. The cubic root of 672268693 is about 876.0205531099.

The spelling of 672268693 in words is "six hundred seventy-two million, two hundred sixty-eight thousand, six hundred ninety-three".