Number of the day: 748724

Properties of the number 748724:

748724 = 2² × 187181 is the 688580^th composite number and is not squarefree.
748724 has 2 distinct prime factors, 6 divisors, 43 antidivisors and 374360 totatives.
Reversing the decimal digits of 748724 results in a semiprime.
748724 = 187182² - 187180² is the difference of 2 nonnegative squares in 1 way.
748724 is the difference of 2 positive pentagonal numbers in 1 way.
748724 = 550² + 668² is the sum of 2 positive squares in 1 way.
748724 = 28² + 38² + 864² is the sum of 3 positive squares.
748724² = 143724² + 734800² is the sum of 2 positive squares in 1 way.
748724² is the sum of 3 positive squares.
748724 is a proper divisor of 59¹⁹⁶ - 1.