729,640

2³ × 5 × 17 × 29 × 37

Prime Factor Structure

Factorization String 2^3 × 5 × 17 × 29 × 37

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 64

Divisor Sum (σ) 1,846,800

Proper Divisor Sum 1,117,160

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #729637 ← → #729643

1 2 4 5 8 10 17 20 29 34 37 40 58 68 74 85 116 136 145 148 170 185 232 290 296 340 370 493 580 629 680 740 986 1,073 1,160 1,258 1,480 1,972 2,146 2,465 2,516 3,145 3,944 4,292 4,930 5,032 5,365 6,290 8,584 9,860 10,730 12,580 18,241 19,720 21,460 25,160 36,482 42,920 72,964 91,205

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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