The number of all the males a month old or more was 7,500.
KJV
Those that were numbered of them, according to the number of all the males, from a month old and upward, [even] those that were numbered of them [were] seven thousand and five hundred.
ASV
Those that were numbered of them, according to the number of all the males, from a month old and upward, even those that were numbered of them were seven thousand and five hundred.