Number of the day: 867074

Georg Cantor was born on this day 174 years ago.

Properties of the number 867074:

867074 = 2 × 13 × 33349 is a sphenic number and squarefree.
867074 has 3 distinct prime factors, 8 divisors, 19 antidivisors and 400176 totatives.
867074 = (156 × 157)/2 + … + (207 × 208)/2 is the sum of at least 2 consecutive triangular numbers in 1 way.
867074 = 257² + 895² = 107² + 925² is the sum of 2 positive squares in 2 ways.
867074 = 12² + 13² + 931² is the sum of 3 positive squares.
867074² = 460030² + 734976² = 333490² + 800376² = 197950² + 844176² = 141960² + 855374² is the sum of 2 positive squares in 4 ways.
867074² is the sum of 3 positive squares.
867074 is a proper divisor of 887⁴² - 1.
867074 = '86707' + '4' is the concatenation of 2 semiprime numbers.