32 bit embedded microcontroller, low power microcontrollers

What is a 32 bit microcontroller.32 bit microcontroller manufacturers & programmable 32bit microcontrollers. USB, wireless, pic, lcd, embedded and low power 32bit microcontrollers with programming.

https://www.futureelectronics.com/npi/maxim-integrated-max32670-32-bit-microcontroller-mcu