70:90:105:126

Chord information
Harmonics	70:90:105:126
Subharmonics	1/(9:7:6:5)
Intervals from root	1/1–9/7–3/2–9/5
Cents from root	0¢–435¢–702¢–1018¢
Step intervals	9/7, 7/6, 6/5
Step cents	435¢, 267¢, 316¢
Color name	ru gu-7 or r,g7
Prime limit	7
Genus	32⋅5⋅7 (315)
Intervallic odd limit	9
Otonal odd limit	105
Utonal odd limit	9
Consistent edos (d ≥ 2)	19edo, 27edo, 41edo, 72edo*
	* 2 ≤ d < 4; 4 ≤ d < 8; * 8 ≤ d < 16; …

70:90:105:126 is a septimal dominant 7th chord. It is a type of subharmonic seventh chord, but that term is usually reserved for the simpler 1/(7:6:5:4) chord. It is the inverse of 6:7:9:10, the harmonic sixth chord. It can be found by inflecting both 5/4 and 7/4 of the harmonic seventh chord up by 36/35.