Ytterbium-174 is a stable isotope of the element ytterbium, which has an atomic number of 70. It is one of the seven naturally occurring isotopes of ytterbium and accounts for about 31% of all ytterbium found in nature. Ytterbium-174 has 104 neutrons and is used in various applications, including materials science and nuclear research. This isotope is notable for its unique properties, such as its ability to absorb and emit light, making it useful in certain types of lasers. Additionally, ytterbium-174 is employed in the production of high-performance alloys and in the field of nuclear medicine for certain diagnostic procedures.